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I would like to ask my friends from Ganzhou, Jiangxi, what kind of yam is this? The yam given by my friend, who said that it is an herb that grows on very high mountain walls? It can be eaten steamed
I would like to ask my friends from Ganzhou, Jiangxi, what kind of yam is this? The yam given by my friend, who said that it is an herb that grows on very high mountain walls? It can be eaten steamed or boiled into soup.

This is the stone bean orchid.

Orchidaceae, perennial evergreen creeping small herb. Aerial roots are fibrous and white. Capsule ovate. The flowering period is from June to August.

Chinese scientific name: Bulbophyllurn radiatum

Latin scientific name: Bulbophyllurn radiatum Lindl.

Also known as: Bulbophyllurn radiatum

Kingdom: Plant Kingdom

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Phylum: Angiosperm

Family: Orchidaceae

Genus: Lithosperm

Species: Lithosperm

Distribution Region: Chengdu

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Plant Information

Synonyms: Stone beans, rock beans (Jinhua "Commonly Used Chinese Herbal Medicine Single Recipe"

Recipes "Selected Edition"), Shizao, Shimi, Jinzao ("Shaanxi Chinese Herbal Medicine"), single-leaf rock beads, duck tongue orchids, rock crabs, green dragon beads, thread rock beads ("Commonly used folk herbal medicines in Zhejiang")

Morphological characteristics

The rhizome is slender, horizontal, and jointed.

The nodes are covered with pseudobulbs, which are green, small, oval, and ribbed. There is one leaf on the top of each pseudobulb, narrowly oval or elliptical, 1.5 to 3 cm long, with an emarginate apex, a concave midrib, and an entire margin. The umbel is drawn from the base of the pseudobulb, with a thin common stem and 4 to 6 flowers; the flowers are light yellow.