Interesting

Colocasia

Colocasia


The Colocasia

Colocasia is a rhizomatous evergreen perennial plant also grown as a houseplant or outdoors on the banks of a pond. This plant originates from the tropical regions of India Asia, the Pacific islands and Bangladesh. In Italy it develops spontaneously in the southern regions and in Sardinia. Colocasia can also be grown outdoors in the case of not too low temperatures. Colocasia is considered above all for the beauty and size of its leaves (also called elephant ears) which can reach a length of one meter and a half, have a more or less elongated arrow shape and wavy outline, very strong and fleshy stems, they are green in color but, in some species, they may have other colors or different veins. It blooms in the warm season and the flowers are gathered in spikes and surrounded by a large bract (similar to the calla lily) of light color.


Environment and exposure

Colocasia prefers a temperate climate. The best temperature for the correct development of this plant is between twenty and thirty degrees and in any case it must never fall below ten degrees for a prolonged period. This plant must be kept away from drafts and, during the colder seasons, the tuber must be kept protected in a warm and sheltered place. It likes a lot and needs good brightness but not direct sun.


Ground

Colocasia prefers a soft type of soil rich in organic matter, a soil composed of leaves, sand and peat can also be fine, the important thing is that it is very well drained, in fact this plant can be damaged by water stagnation; if cultivated in open fields, pieces of broken pots must be placed on the bottom to favor the drainage of excess water.


Planting and repotting

The planting will be carried out in autumn or spring in a soil like that described in the previous paragraph. Repotting, on the other hand, will take place every two to three years towards the end of the winter period, using a larger pot than the previous one.


Watering

Colocasia needs a constantly moist soil. During the warmer seasons it will be watered abundantly but always paying attention not to overdo it and cause water stagnation; during the colder seasons, autumn and winter, watering will be reduced; in the case of a dry environment, the leaves can be sprayed with limestone-free water.


Fertilization

Colocasia must be fertilized during the spring and summer period, when the plant is in the vegetative phase. The fertilizer must be applied about once a month and mixed with the watering; in addition to the very important nitrogen, it must also contain all the other elements essential for a correct and healthy development of the plant, such as: phosphorus, potassium, iron, manganese, etc.


Reproduction

The multiplication of Colocasia occurs by division of the rhizomes at the beginning of the spring season. The rhizome parts must have at least one bud. The portions of rhizome will be placed in a container with moist soil mixed with peat and sand and buried about three centimeters and it will be positioned in an area rich in shade where the temperature will be about twenty-four-twenty-five degrees. When the new plant has produced the fourth leaf it will be ready to be transplanted into a larger pot.


Pruning

For the Colocasia a real pruning is not carried out, only the leaves and the possibly dry or diseased parts will be eliminated.


Flowers

The flowers of the Colocasia are very similar to the calla. The flower as we understand it, that is the colored part, is called spata and is a large bract that wraps and protects the flowers that are gathered in the shape of a spike. Generally in Colocasia the bracts are light in color, almost white. The flowers blossomed in the warm season.


Diseases and parasites

Colocasia can be damaged by damage caused by our carelessness such as excessive water intake, in this case the leaves will turn yellow and the plant will grow more slowly; exposure to direct sun, it will have dark and withered leaves; a low supply of fertilizer, on the other hand, will darken the contours of the leaves and make them less shiny. In addition to these drawbacks, Colocasia can be infested with aphids and scale insects.


Most common species

Below we will talk about the most widespread species of Colocasia: Calocasia Esculenta: this species is present in a particular way in tropical countries, its cultivation has spread mainly in South America, Africa, Asia etc. It has large leaves; produces tubers that closely resemble potatoes from which flour and starch are obtained. Colocasia Gigantea: as the name implies, this species is truly giant. It is edible and is also widely used as a feed for pigs. The pollination of the flowers is carried out by a small beetle.


Curiosity

The tubers of Colocasia Esculenta are eaten boiled or grilled, the leaves instead replace our cooked vegetables.




"Elephant ear" plants

2 comments:

Alocasia and Colocasia really show off with the right climate (in the open ground), but even in pots they can be interesting additions to your balcony.

For the "plant thieves" like me, if you are interested, seeing the leaves of Alocasia, in bringing home the cumbersome (but really spectacular) plant, do not be put off by the size. Rather, pay attention to any secondary rhizomes on the edge of the ground or outside it (I often find them several centimeters in height if the plant is very large).

Brown color, shape and size similar to a closed fist. To obtain a clone, simply cut (or if you are a novice plant thief, and without weapons, "rotate" on itself) the secondary rhizome and then bury it.

Keeping the soil fresh and sufficiently moist, it takes root quite easily and you can keep the clone in pot for a while. At least the time to find a suitable home in the open ground that can host its exuberance.

Sincerely, and with no intention of encouraging the theft of plants from the Gardens,


Contents

The "viridarium" was owned by the Silvatico family from the 12th century, as recorded by a parchment conserved in the Badia archives in Cava de 'Tirreni. Later on, in the first twenty years of the 14th century, Matteo Silvatico created a garden of simples here, a forerunner of all future botanical gardens in Europe.

In this area of ​​extraordinary cultural value, which can now be identified in the area of ​​the Minerva's Garden, he cultivated some of the plants used to produce the active ingredients employed for therapeutic purposes. Matteo Silvatico also taught here, showing the plants to the scholars at the School of Medicine and providing their names and characteristics. During a recent archaeological dig, the mediaeval garden was found at a depth of around two meters under the current ground level.

The last owner was Giovanni Capasso who, thanks to the interest of the lawyer Gaetano Nunziante, chairman of the Asilo di Mendicità, donated the whole property to this charitable institution immediately after the Second World War. In November 1991 a project was presented for the creation of a botanical garden dedicated to Silvatico and his garden of simples. This project was funded and developed in 2000 by the Municipal Council, using funds from the European Urban program. Now that the restoration work has been completed, visitors to the garden can see an interesting series of elements dating back to the 17th and 18th century. One of the most attractive is the long flight of steps, marked by cruciform pillars, which support a wooden pergola.

Minerva's Garden is not a traditional botanical garden, but follows specific themes in various zones. The most important educational element of the theme linked to Salerno's botanical tradition is the illustration, in the largest terrace in the garden, of the ancient plant classification system. In all the other flower beds in the garden, the plants are arranged on the basis of landscaping. All the species are identified with a label that refers to the ideal position of the simple in a design representing the positioning of the elements, superimposed over the concentric subdivision of the grades.

After the 2001 restoration, several rare species were planted, mostly chosen among those quoted in the Opus Pandectarum Medicinae, which were used as medicines in the Middle Age.


Botany

The garden of Villa Rufolo, also known as the Garden of the Soul, is laid out on two levels and a tree-lined avenue with a nineteenth century aura leads into it. The ancient walls, half-hidden by cypresses and lime trees, lead down to the Moorish cloister. After a brief pause to admire the elegant architecture which is now clearly visible, a small flight of steps leads to the first level of the garden.

The enticing atmosphere is redolent of old-world spirit of the romantic garden with echoes of Boccaccio’s stirring verses. The history of the garden can be divided into three distinct phases:
The first historic phase dating back to the 13 th century when the villa was built.
The second, medieval phase, for which there is precious little evidence. The few references include Boccaccio’s verses describing the garden on the first day of the Decameron and the hypothesis that the gardens may have extended all the way to the Mormorata where the Rufolo family owned other land.
The third Romantic phase took its inspiration from Francis Nevile Reid, the aristocratic Scottish philanthropist and an expert on botany and ancient art, whose contribution led to his appointment as Honorary Superintendent by the Prefect of Naples.

The Reid was marked the renaissance of the gardens of Villa Rufolo and also the beginning of the place's fame. It was in May 1880 that Wagner visited Ravello and “discovered” the magical garden of Klingsor as the perfect setting for his opera Parsifal. In his mind's eye Wagner saw a lofty medieval tower vanish into thin air and turn into an enchanted garden, with the tropical plants taking on the likenesses of beguiling maidens until the garden turned to desert at the precise moment that Parsifal killed the wizard Klingsor.
Captivated by the mild climate and the beauty of the surroundings, Neville Reid chose Villa Rufolo as his summer residence and began to plant the garden with a variety of exotic plants.
Reid did not just restrict himself to restoring the villa and embellishing its gardens. He also undertook a series of philanthropic ventures that proved beneficial to the whole community of Ravello.
The layout of the extensive gardens posed several problems which Reid overcame by constructing an irrigation system, ably combining his own requirements with an act of generosity on behalf of the town. Even as early as about 1860, the work on the Villa's gardens were at such an advanced stage that Reid was faced with an urgent problem of irrigation. In 1863, after concluding an agreement with the municipality of Ravello, he had an aqueduct built at his own expense to bring water from the locality of Tabernacolo right to the main square, piazza Vescovado, where it still feeds a public fountain. Reid also undertook to ensure the permanent upkeep of the aqueduct and the public fountain at his own expense. The gardens were placed under the supervision of Luigi Cicalese and Reid kept up a prolific correspondence with his head gardener over the years.
The gardens featured a variety of native and exotic plant species, with an emphasis on roses, in particular the 'Gloire de Dijon', many of which have almost completely disappeared.
Over the course of time, and especially during the twentieth century, the gardens underwent various phases of demolition during the Second World War, they were commandeered by the British forces they were also beset by natural phenomena, such as a violent storm that stuck the coast in 1951, and the construction of the provincial road in 1955 which destroyed the upper part of the garden.

1.The Tower and the Avenue

The gatehouse tower leading into the villa has always been primarily ornamental. It culminates in a ribbed umbrella dome, adorned with intertwined arches supported by small terracotta columns. The Gothic style gateway is decorated with fillets made of yellow and gray tuff which, together with the small terracotta columns, create the same polychrome effect revealed by recent restoration work in many parts of the villa complex, above all in the areas least exposed to the elements. Originally all the stonework was decorated with lime-based paints. The dome of the tower is painted with an unusual pigment made up of particles of a transparent straw yellow, possibly ceramic glaze which had been ground down after firing. Statues of human figures representing the four seasons stand at the four corners. After passing through the gatehouse tower, you come to the avenue with the ticket office which leads to the courtyard or Moorish cloister. The cloister has three sides with only 36 small columns still intact on the side facing you and two complete arches with six coupled columns on the left-hand side. In the lower part there are three pointed arches on each side, surmounted by a loggia formed of coupled columns decorated with intertwining, knotted foliage. The upper level, with three oculi on each side, is decorated with a terracotta frieze of small spiral columns.
The avenue is adorned on each side with lime trees (Tilia platyphyllos) alternating with shrubs.

Tree species
Cypress (Cupressus sempervirens), Lime (Tilia platyphyllos)

Shrub species
Japanese aralia (Fatsia japonica, Aralia sieboldii), cherry laurel (Prunus laurocerasus 'Rotundifolia'), variegated European box (Buxus sempervirens 'Variegata'), Japanese spindle (Euonymus japonicas)

These species are often combined with various flower species which change according to the season.

2. Chapel Area

On the right of the avenue, hidden by trees and old walls, there is a small garden in front of the chapel. Before going in, on the right-hand side, there is a Box-elder (Acer negundo) with a bush of Japanese spindle (Euonymus japonicas) beneath it. To the left a series of bushes of Japanese spindle (Euonymus japonicas) are planted around the walls. As you go in on the left-hand side there is an area near the Chapel, but at a higher level, which is surrounded by a hedge of cherry laurel (Prunus laurocerasus). This area contains the large umbrella pine (Pinus pinea) which can be seen as you enter the villa. The area also contains holly (Ilex aquifolium), Spanish dagger (Yucca Gloriosa), Hydrangea macrophylla, Deodar cedar (Cedrus deodara), Canary Island date palm (Phoenix canariensis)) and Cape honeysuckle (Tecomaria capensis). In the flowerbed in front of this area there is a thriving hawthorn, while a series of bushes of European box (Buxus sempervirens) alternate with several varieties of Pelargonium spp. The garden on the right is surrounded by European box (Buxus sempervirens), Japanese spindle (Euonymus japonicus) and Japanese mock orange (Pittosporum tobira), and on the right-hand border by Abelia x grandiflora. A Mexican fan palm (Washingtonia robusta) and a Californian fan palm (Washingtonia filifera) stand out in the center of the garden. A foxglove tree (Paulownia tomentosa) adds a touch of color in late spring with its lilac flowers. A young Norfolk Island pine (Araucaria heterophylla) has recently been planted. There is also a cedar of Lebanon (Cedrus libani). At the back on the left a cabbage palm (Cordyline australis) is placed against a hedge of Japanese mock orange (Pittosporum tobira). A climbing fig (Ficus pumilia) grows on the end wall while a variegated New Zealand flax (Phormium tenax variegatum) grows at the bottom. Until about ten years ago the area was a vineyard but was removed by the previous owners of the villa (E.P.T. and the Supervision). All the trees were already present, with the exception of the desert fan palm (Washingtonia filifera) which was replanted in the 1990s during the refurbishment of the vaults of the Theater it had previously stood near to the rose garden.

Tree and palm species
Box-elder (Acer negundo), European plum (Prunus domestica), desert fan palm (Washingtonia filifera), Mexican fan palm (Washingtonia robusta), cedar of Lebanon (Cedrus libani), foxglove tree (Paulownia tomentosa), Norfolk Island pine (Araucaria heterophylla), umbrella pine (Pinus pinea), Deodar cedar (Cedrus deodara), Canary Island date palm (Canary Island date palm (Phoenix canariensis))

Shrub species and herbaceous plants
Japanese spindle (Euonymus japonicas), Japanese mock orange (Pittosporum tobira) European box (Buxus sempervirens), glossy abelia (Abelia x grandiflora), cabbage palm (Cordyline australis), climbing fig (Ficus pumilia), variegated New Z,
zealand flax (Phormium tenax variegatum), cherry laurel (Prunus laurocerasus), holly (Ilex aquifolium), Spanish dagger (Yucca Gloriosa), hydrangea (Hydrangea macrophylla), Cape honeysuckle (Tecomaria capensis).

3. Cloister and Main Tower

To the side of the Moorish cloister a raised bed hosts numerous species of rose (Rosa spp).
The classification of the roses proved to be a laborious and superfluous task since none of the species is of great botanical interest. The same rose species have grown here for about twenty years. Numerous examples of hydrangea (Hydrangea marcophylla) and Fuchsia (Fuchsia spp) grow in the same area.
The cloister is surrounded by vases planted with flowers, especially Pelargonium spp.
Steps lead from the cloister to the upper garden. The Main Tower stands out on the left while the dining room is situated on the right. A majestic Boston ivy (Parthenocissus tricuspidata) grows on the tower while below it there are vases planted with Mexican breadfruit (Monstera deliciosa). Boston ivy (Parthenocissus tricuspidata) also grows here on the left-hand wall while hydrangea (Hydrangea macrophylla) and European box (Buxus sempervirens) grow in the flowerbed below.

Vases with seasonal flowering plants are arranged on the steps.

Shrub species and herbaceous plants
Boston ivy (Parthenocissus tricuspidata, Mexican breadfruit (Monstera deliciosa), hydrangea (Hydrangea marcophylla), European box (Buxus sempervirens)

4. Upper Garden

As you go up the steps you see two laurel-leaved snail trees (Cocculus laurifolius) surrounded by Balearic box (Buxus balearica) and Japanese spindle (Euonymus japonicas) often combined with seasonal flowering plants.
A flowerbed planted with hydrangea (Hydrangea macrophylla) precedes the tree on the left. Proceeding to the left, you go past a fountain and you can see a large flowerbed to the right of the Hall of the Knights. The flowerbed contains a hundred-year old umbrella pine (Pinus pinea), a cabbage palm (Cordyline australis), dogwood (Philadelphus coronarica), Japanese spindle (Euonymus japonicas), European box (Buxus sempervirens), Laurestine (Viburnum tinus), small plants of Elephant's ears (Bergenia crassifolia) and Scorpion vetch (Coronilla coronate). A Kentia palm (Howea forsteriana) grows in a vase. A spotted laurel (Aucuba japonica) grows in the Hall itself and acts as a border for the Mediterranean dwarf fan palm (Chamaerops humilis). Proceeding to the left a ginkgo tree (Ginkgo biloba) stands before you while in the border on the left there are various plants including Balearic box (Buxus balearica), American holly (Ilex opaca), various species of fuchsia (Fuchsia spp.), Variegated English boxwood (Buxus sempervirens variegata), cherry laurel (Prunus laurocerasus) and a small Box-elder (Acer negundo). A spotted laurel (Aucuba japonica) suddenly appears. A Mediterranean fan palm (Chamaerops humilis) grows on the upper terrace and a cypress (Cupressus sempervirens) also stands out. This terrace is part of an area closed off to the public and will be described below. A small-leaved lime (Tilia cordata) and a horse chestnut (Aesculus hippocastanum) grow at the center of the garden, surrounded by Japanese mock orange (Pittosporum tobira). TO Canary Island date palm (Phoenix canariensis) can be seen in another flowerbed. A young Atlas cedar (Cedrus atlantica) grows within a flowerbed with seasonal flowering plants and a small Lady Banks' rose (Rosa banksiae 'Lutea'). The flowerbeds that precede the steps down to the lower garden contain cabbage palm (Cordyline australis) and European box (Buxus sempervirens). Holly (Ilex aquifolium)) and English hawthorn (Crataegus monogyna) grow in the flowerbed on the right. Beside the Dining Room there is a pergola covered with bougainvillea (Bougainvillea glabra) which ends up in a corridor that leads to the steps. A Virginia creeper (Parthenocissus quinquefolia) grows up the wall of the Dining Room with an umbrella papyrus (Cyperus alternifolius) below it. Several small oleander trees (Nerium oleander), a few hydrangeas (Hydrangea macrophylla) and Japanese aralia (Aralia sieboldii) grow below the bougainvillea. A small taro (Colocasia esculenta) also grows among these plants. Moving towards the steps you once again come across the same flowerbeds described above but from a different viewpoint. An unidentified plant grows in one of the flowerbeds. A pergola covered with white Lady Banks' rose (Rosa banksiae 'Alba plena') stands to the left of the lime tree and covers a small pool in which white water lily (Nymphaea alba) grows. A large cypress (Cupressus sempervirens) stands opposite. Between the pool and the cypress there is a flowerbed planted with Japanese mock orange (Pittosporum tobira). TOn umbrella papyrus (Cyperus alternifolius) and a Maidenhair fern (Adiantum capillus-veneris) grow behind the cypress near a small pool.

Tree and palm species
Laurel-leaved snail trees (Cocculus laurifolius), Canary Island date palm (Phoenix canariensis), umbrella pine (Pinus pinea), Box-elder (Acer negundo), large cypress (Cupressus sempervirens), small-leaved lime (Tilia cordata), horse chestnut (Aesculus hippocastanum), Canary Island date palm (Phoenix canariensis), Atlas cedar (Cedrus atlantica), Mediterranean dwarf fan palm (Chamaerops humilis).

Shrub species and herbaceous plants
Balearic box (Buxus balearica), Japanese spindle (Euonymus japonicas), hydrangea (Hydrangea macrophylla), cabbage palm (Cordyline australis), English dogwood or sweet mock orange (Philadelphus coronaries), European box (Buxus sempervirens), viburnum (Viburnum tinus L.), Elephant's ears (Bergenia crassifolia), Scorpion vetch (Coronilla coronate), Kentia palm (Howea forsteriana), spotted laurel (Aucuba japonica), American holly (Ilex opaca), fuchsia (Fuchsia spp.), variegated English boxwood (Buxus sempervirens 'Variegata'), cherry laurel (Prunus laurocerasus), Lady Banks' rose (Rosa banksiae 'Lutea'), Cabbage palm (Cordyline australis), Holly (Ilex aquifolium), English hawthorn (Crataegus monogyna), Virginia creeper (Parthenocissus quinquefolia), Umbrella papyrus (Cyperus alternifolius), Bougainvillea (Bougainvillea glabra), Oleander (Nerium oleander), Japanese aralia (Aralia sieboldii), Small taro (Colocasia esculenta), white Lady Banks' rose (Rosa banksiae Alba plena), white water lily (Nymphaea alba), Maidenhair fern (Adiantum capillus-veneris), Japanese mock orange (Pittosporum tobira).

5. Lower Garden

This is where the suspended stage overlooking the sea is mounted for the Ravello Festival each year. Two flights of steps lead down to this area from the upper garden. After going down the first flight, there is a small mezzanine with Cabbage palms (Cordyline australis), and English ivy (Hedera helix) which grows on the wall together with Japanese wisteria (Wisteria floribunda). Here there are numerous flowerbeds of different geometric forms planted with seasonal flowering plants while other flowerbeds contain perennials such as variegated Cabbage palm (Cordyline australis 'Varied') and Japanese sago palm (Cycas revoluta). The side of the garden overlooking the sea is framed by two pergolas covered with white Lady Banks' rose (Rosa banksiae 'Alba Plena') and by numerous vases with flowering plants. The climbing plant Cat's claw creeper (Dolichandra unguis-cati) grows on the left-hand wall together with English ivy (Hedera helix) and jasmine (Jasminum officinale). On the right there is a small pool containing goldfish. Two large Japanese sago palms (Cycas revolute), accompanied by an Umbrella papyrus (Cyperus alternifolius) and a Maidenhair fern (Adiantum capillus-veneris) grow around the sides of the pool. The plant growing against the central wall has not been identified although it is probably a Rudentia spp. As you go towards the Dining Room there is a small pool with an Umbrella papyrus (Cyperus alternifolius) and a Maidenhair fern (Adiantum capillus-veneris). You then come to a flowered on the right with a Japanese sago palm (Cycas revoluta), English ivy (Hedera helix), hydrangea (Hydrangea macrophylla) and a blood lily (Haemanthus coccineus). Bougainvillea (Bougainvillea glabra) grows on the wall. Spider plant (Chlorophytum elatum)) and bird-of-paradise flower (Strelitzia reginae) can be found at the end of the flowerbed. Japanese wisteria (Wisteria floribunda) grows up the wall of the Dining Room. From here you return to the Main Tower once again. Other flowerbeds contain cabbage palm (Cordyline australis), Japanese sago palm (Cycas revoluta) and a Judas tree (Cercis siliquastrum) together with seasonal flowering plants. At the center of the garden a special structure holds up a pollarded Chilean wine palm (Jubea chiliensis) which died due to the red palm weevil (Rhynchophorus ferrugineus: for further information, see the section “Management of the garden”). This palm was probably planted by Sir F. N. Reid in the second half of the nineteenth century and was pollarded in October 2012. A cockspur coral tree (Erythrina crista galli) can be seen on the left. A central round flowerbed contains a small pool with marsh horsetail (Equisetum palustre). The left-hand side of the garden contains numerous Mediterranean fan palms (Chamaerops humilis) which practically grown within the walls. Lastly, there is a pergola covered with Maidenhair vine (Muehlenbeckia complexa). Beside the flowerbed planted with a Judas tree (Cercis siliquastrum) a small path leads back to the part of the garden overlooking the sea. Here there is a Cabbage palm (Cordyline australis), Elephant's ear (Bergenia crassifolia), glossy abelia (Abelia x grandiflora) and to European box (Buxus sempervirens). Near the Maidenhair vine (Muehlenbeckia complexa) some steps lead to another garden situated on a lower level. This is the area of ​​the Theater. Going down on the right there is a pergola with Japanese wisteria (Wisteria floribunda). A baobab tree (Adansonia digitata) stands in the center of the garden. In the other flowerbeds there are Cabbage palms (Cordyline australis), with a small Canary Island date palm (Phoenix canariensis) on the left and a Cypress (Cupressus sempervirens). In the left-hand corner near to the steps there is a splendid umbrella pine (Pinus pinea) surrounded by rosemary (Rosmarinus officinalis) and European box (Buxus sempervirens). On the right there is a mandarin orange (Citrus reticulata) and a lemon tree (Citrus x limon), with vases of Mexican breadfruit (Monstera deliciosa) below. From here you walk to the right until you come to the lower level of the cloister where there is a hydrangea (Hydrangea macrophylla). From this garden, close to the pine, you come to a small panoramic area from where you can go back up to the garden overlooking the sea.

Shrub species and herbaceous plants
Cabbage palm (Cordyline australis), English ivy (Hedera helix), Japanese wisteria (Wisteria floribunda), variegated cabbage palm (Cordyline australis 'Varied'), Japanese sago palm (Cycas revoluta), white Lady Banks rose (Rosa banksiae 'Alba plena'), Cat's claw vine (Dolichandra unguis-cati),Jasmine (Jasminum officinale), Umbrella papyrus (Cyperus alternifolius), Maidenhair fern (Adiantum capillus-veneris), hydrangea (Hydrangea macrophylla), blood lily (Haemanthus coccineus), Bougainvillea (Bougainvillea glabra), spider plant (Chlorophytum elatum), Bird-of-paradise flower (Bird-of-paradise flower (Strelitzia reginae), Japanese wisteria (Wisteria floribunda), marsh horsetail (Equisetum palustre), Maidenhair vine (Muehlenbeckia complexa), Elephant's ear (Bergenia crassifolia), glossy abelia (Abelia x grandiflora), European box (Buxus sempervirens), Mexican breadfruit (Monstera deliciosa), rosemary (Rosmarinus officinalis)

Tree and palm species
Judas tree (cerci siliquastrum), pollarded Chilean wine palm (Jubea chiliensis), cockspur coral tree (Erythrina crista galli), Mediterranean dwarf fan palm (Chamaerops humilis), baobab tree (Adansonia digitata), Canary Island date palm (Phoenix canariensis), Cypress (Cupressus sempervirens), umbrella pine (Pinus pinea), mandarin orange (Citrus reticulata), lemon (Citrus x limon).

6. The Baths


In this area, which can be reached from the Upper garden by a flight of steps near to the pool with the water lilies, there is a flowerbed with succulents. There is a nopal cascaron (Opuntia hyptiacantha), and lower down two red hot pokers (Aloe aculeata), the San Pedro cactus (Echinopsis pachanoi), the Monstrose Peruvian apple cactus (Cereus peruvianus var. monstruosus), Cape aloe (Aloe ferox), Ponytail palm (Nolina recurvata), and prickly pear (Opuntia ficus-indica). A Boston ivy (Parthenocissus tricuspidata) grows on the wall opposite.

Species
Nopal cascaron (Opuntia hyptiacantha), red hot poker (Aloe aculeata), San Pedro cactus (Echinopsis pachanoi), Monstrose Peruvian apple cactus (Cereus peruvianus var. monstruosus), Cape aloe (Aloe ferox), Ponytail palm (Nolina recurvata), prickly pear (Opuntia ficus-indica), Boston ivy (Parthenocissus tricuspidata).

7. Area closed off to the public


The area that is off-limits to the public is situated above the Baths. A flight of steps leads to this area. Here it can be seen how the areas of the villa were once used for vineyards which covered most of the land and served a practical purpose (A. Tagliolini, 1990). A vineyard covers a large part of the area, together with Cypress (Cupressus sempervirens), Deodar cedar (Cedrus deodara), Atlas cedar (Cedrus atlantica), olives (Olea europea) and Oleander (Nerium oleander).

Tree species
Cypress (Cupressus sempervirens), Deodar cedar (Cedrus deodara), Atlas cedar (Cedrus atlantica), olives (Olea europea).

Shrub species
Grape vine (Vitis vinifera), oleander (Nerium oleander).


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Completa la mostra "L'Opera si racconta - L'Ottocento e la pittura di storia. Francesco Jacovacci" il video in cui i contenuti scientifici si affiancano a tanti confronti sul tema introdotti e spiegati dalle … Ещё voci dei protagonisti: dalla curatrice della mostra Maria Tamajo Contarini, al direttore Sylvain Bellenger, alla restauratrice Karin Tortora e a Errico di Lorenzo presidente degli Amici di Capodimonte.

Preziosa anche la testimonianza di Nunzia Petrecca dell'impresa Euphorbia Srl per il confronto tra il ramo d'alloro dipinto nel quadro e la pianta attualmente presente nel Real Bosco.

Il video è stato realizzato a cura di Carmine Romano, responsabile del Progetto Digitalizzazione e del Catalogo digitale, con il montaggio di Rossella Grasso.


Parassiti e malattie della Colocasia

E’ una pianta sensibile agli attacchi degli afidi e delle cocciniglie che colonizzano steli e foglie. L’eccessivo apporto idrico provoca l’ingiallimento delle foglie mentre i ristagni idrici nel terreno o nel sottovaso sono responsabili del marciume delle radici. L’appassimento delle foglie e la perdita della lucentezza sono invece da addebitare ad un terreno povero di nutrienti. carenza di nutrienti.

Cure e trattamenti

Le foglie delle pianta di Colocasia vanno spolverate con uno straccio umido, almeno una volta alla settimana. Si consiglia di svuotare il sottovaso ed evitare gli eccessi idrici.

Nelle zone caratterizzate da climi invernali molto rigidi le piante di Colocasia si possono coltivare all’aperto nei giardini o lunghe i bordi dei laghetti in contenitori adeguati per poi poterli facilmente trasferire in un luogo asciutto e protetto durante l’inverno. Nelle altre zone è sufficiente effettuare una pacciamatura del terreno utile a mantenere il calore necessario per superare il gelo.

Afidi e cocciniglie possono essere rimossi manualmente con un batuffolo di cotone intriso di alcool. Nel caso in cui le infestazioni sono estese è opportuno effettuare trattamenti con antiparassitari specifici anche biologici come l’antiparassitario all’aglio o il macerato di ortica.


Video: Colocasia Varieties with Names. Elephant Ear with names. Plantify