TROPICAL PLANT ENCYCLOPEDIA


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x Chitalpa tashkentensis, Chitalpa

x Chitalpa tashkentensis

Chitalpa
Family: Bignoniaceae
Big tree > 20 ftSmall tree 10-20 ftFull sunSemi-shadeModerate waterPink flowersWhite/off-white flowersAttracts butterflies, hummingbirdsSubtropical, cold hardy at least to 30s F for a short time

The Chitalpa is a cross between Catalpa bignonioides and Chilopsis linearis. The Chilopsis is a desert tree, sometimes called a Desert Willow. From the Chilopsis, the Chitalpa inherits long 3 to 5 inch dark green leaves and the ability to withstand some dry heat. However, unlike its desert parent, the Chitalpa can withstand low temperatures of around minus 15 degrees. Flowers are orchidlike and produced in July or August at the ends of new growth. At several feet a year the Chitalpa reaches its 25 to 30 foot height and breadth quickly and makes shady spots fast. It is a drought-resistant plant, a trait inherited from the desert willow, and it is fairly hardy, having withstood temperatures as low as 9F. It has been noted that it will freeze back to the ground in Zone 6. Although many fast-growing trees are intolerant of windy situations, chitalpa can withstand even strong winds without breakage. Unlike either of its parents, chitalpa is sterile and produces no messy seed pods. Propagation: Cuttings. The initial hybrids between Catalpa and Chilopsis were created in Uzbekistan in 1964 and introduced to the United States by Robert Hebb of the New York Botanic Garden in 1977. (Chitalpa is a combination of the scientific name of the two parents, while the specific name identifies the city in Uzbekistan where the hybrids were created.) Although in cultivation in the United States during the 1980s, the hybrid remained unnamed until 1991 when Rancho Santa Ana Botanic Garden assigned the name x Chitalpa tashkentensis.





Link to this plant:
https://toptropicals.com/catalog/uid/chitalpa_tashkentensis.htm

Xanthoceras sorbifolium, Shiny Leaf Yellowhorn, Goldenhorn, Chinese Flowering Chestnut

Xanthoceras sorbifolium

Shiny Leaf Yellowhorn, Goldenhorn, Chinese Flowering Chestnut
Family: Sapindaceae
Origin: China
Large shrub 5-10 ftSmall tree 10-20 ftFull sunSemi-shadeRegular waterWhite/off-white flowersDeciduousEdibleSubtropical, cold hardy at least to 30s F for a short time

Excellent small flowering tree or shrub with long-lasting green foliage. ! In Spring, it bears multitudes of flower spikes densely packed with star-shaped white flowers featuring chartreuse centers that darken to an intense scarlet.

The leaves, flowers, and seeds of Xanthoceras sorbifolium are all edible.



Xanthoceras sorbifolium, Shiny Leaf Yellowhorn, Goldenhorn, Chinese Flowering Chestnut
Xanthoceras sorbifolium, Shiny Leaf Yellowhorn, Goldenhorn, Chinese Flowering Chestnut
Xanthoceras sorbifolium, Shiny Leaf Yellowhorn, Goldenhorn, Chinese Flowering Chestnut
Xanthoceras sorbifolium, Shiny Leaf Yellowhorn, Goldenhorn, Chinese Flowering Chestnut


Link to this plant:
https://toptropicals.com/catalog/uid/xanthoceras_sorbifolium.htm

Xanthophyllum obscurum, Banisterodes insigne, Banisterodes obscurum, Xanthophyllum insigne, Xanthophyllum scortechinii, Merbatu

Xanthophyllum obscurum, Banisterodes insigne, Banisterodes obscurum, Xanthophyllum insigne, Xanthophyllum scortechinii

Merbatu
Family: Polygalaceae
Origin: Southeast Asia
Big tree > 20 ftSmall tree 10-20 ftFull sunSemi-shadeRegular waterModerate waterWhite/off-white flowers


Link to this plant:
https://toptropicals.com/catalog/uid/xanthophyllum_obscurum.htm

Xanthorrhoea sp., Grass Tree
Xanthorrhoea australis

Xanthorrhoea sp.

Grass Tree
Family: Xanthorrhoeaceae
Origin: Australia
Large shrub 5-10 ftFull sunModerate waterDry conditionsOrnamental foliageSubtropical, cold hardy at least to 30s F for a short time

The name of genus Xanthorrhoea comes from the Greek Xanthos for yellow and rheo meaning flow, referring to a yellow resin exuded from the trunk of some species of Xanthorrhoea.

The Xanthorrhoea genus is part of the Xanthorrhoeaceae family, which is made up of small trees or perennials with woody stems. The leaves are tough and linear, and the flowers are radially symmetrical, bisexual, and spike-like.

Commonly called Grass Trees, Xanthorrhoea plants are also known as Balga Grass to the Australian aborigines, which is their word for black boy. The Aborigines probably called these plants balga because after a wild fire, the bottom leaves burn away revealing a singed black trunk with long green reed-like leaves extending from the top of the trunk giving the appearance of black figures. All species of Xanthorrhoea are very slow growing, but they are also very long lived - up to 600 years! Long straight spears of white blossoms extend from the top of the tree especially in the year following wild fires.

The glassy resin which exudes from the trunks was previously used in varnish and other products. The flakes of resin were collected from around the base of the stem, heated and rolled into balls.The flowering spikes of the grass tree were soaked in water to make a sweet drink, fresh or slightly fermented. The soft bases of the young leaves were eaten. Tough leaves were used as knives. Europeans harvested the gum to make varnishes and lacquers.

Generally frost tolerant, all Xanthorrhoea require well-drained soil and a sunny location because they are prone to root rot. They can be grown very successfully in pots.





Link to this plant:
https://toptropicals.com/catalog/uid/xanthorrhoea_sp.htm

Xanthorrhoea australis - seeds

Grass Tree. Commonly called Grass Trees, Xanthorrhoea plants are also known as Balga Grass to the Australian aborigines, which is their word for black boy. The Aborigines probably called these plants balga because after a wild fire, the bottom leaves burn away revealing a singed black trunk with long green reed-like leaves extending from the top of the trunk giving the appearance of black figures. All species of Xanthorrhoea are very slow growing, but they are also very long lived - up to 600 years! Long straight spears of white blossoms extend from the top of the tree especially in the year following wild fires. The flowering spikes of the grass tree were soaked in water to make a sweet drink, fresh or slightly fermented. The soft bases of the young leaves were eaten. Europeans harvested the gum to make varnishes and lacquers. Can be grown very successfully in pots.
Place seeds on top of soil surface, using draining potting mix plus sand, keep warm, only slightly moist and in bright light. Seeds can not be kept wet.
Ordering seeds info

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Xanthosoma sagittifolium, Xanthosoma violaceum, Xanthosoma atrovirens, Arum nigrum, Xanthosoma nigrum, Tannia, Malanga Blanca, Yautia, Cocoyam, Eddo, Coco, Sato-imo, Japanese Potatoes

Xanthosoma sagittifolium, Xanthosoma violaceum, Xanthosoma atrovirens, Arum nigrum, Xanthosoma nigrum

Tannia, Malanga Blanca, Yautia, Cocoyam, Eddo, Coco, Sato-imo, Japanese Potatoes
Family: Araceae
Origin: South America
Small shrub 2-5 ftFull sunSemi-shadeRegular waterOrnamental foliageEthnomedical plant.
Plants marked as ethnomedical and/or described as medicinal, are not offered as medicine but rather as ornamentals or plant collectibles.
Ethnomedical statements / products have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. We urge all customers to consult a physician before using any supplements, herbals or medicines advertised here or elsewhere.Edible

The Xanthosoma species are plants of the tropical rain forest and, although in their natural habitat they grow under the forest canopy, under cultivation they are usually sown with full exposure to sunlight. They require well-drained soils and do not tolerate the permanent presence of water. The usable parts are the subterranean tuberous stems which have a nutritional value comparable to the potato and are probably easier to digest. A secondary use is of consumption of the young leaves, similar to spinach. Leafy species of Xanthosoma not grown for tubers are called belembe and calalous. There are actually two different malangas: Malanga blanca (Xanthosoma sagittifolium), considered the true malanga, which grows on dry land. The other is malanga amarillo (Colocasia esculenta) which grows in wet bog-like areas. Cultivars with purple stems or leaves are also variously called Blue Taro, Purple Taro, Purplestem Tannia, and Purple Elephant's Ear among others.

Edible tubers (cormels) are formed in the soil at the base of the plant. A central large tuber (corm) is formed, with a cluster of cormels, grayish brown to black lateral tubers, around it. Malanga are about the size and shape of a regular white potato; they look a little like an overgrown gladiola bulb, because the outside skin of the malanga is brown and somewhat hairy. It generally weighs 1/2 to 2 pounds, but can be heavier. The interior has an extremely crisp texture and can vary in color from cream, yellow or pink. Malanga is often milled into flour, since malanga is probably the most hypoallergenic food in the world. Even persons with extensive allergies should do very well with this flour. The starch grains are the smallest and most easily digested of all complex carbohydrates. Malanga flour is used as a substitute for wheat flour to make cookies, quick breads, and similar items.

Rare and hard-to-find, Xanthosoma albomarginata has beautiful variegated foliage that is mottled in white and hues of green. The tips of the leaves have a curious cupped formation. Plants reach 3-5' tall.





Link to this plant:
https://toptropicals.com/catalog/uid/xanthosoma_sagittifolium.htm
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