One-Leaf Eria
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One-Leaf Eria
P Native Photo: Jambey Tsering
Common name: One-Leaf Eria
Botanical name: Bryobium pudicum    Family: Orchidaceae (Orchid family)
Synonyms: Eria pudica, Eria hindei, Eria monophylla, Eria porteri

One-Leaf Eria is a small sized, tree-dwelling or terrestrial orchid with a noded, cylindrical, apically narrowing pseudobulb carrying a single, apical, erect leaf which is widest in the upper part, narrowing below into the elongate, stalked base. The plant blooms in the late spring on a basal, erect, 4 cm long, up to 10 flowered inflorescence. Flowers are greenish white, sepals and petals with red veins, below sparsely grayish white velvet-hairy, column white, foot reddish brown. Flower-stalk and ovary are 3-4 mm, densely grayish white velvet-hairy. Dorsal sepal is elliptic, about 3 x 1.5 mm, pointed; lateral sepals obliquely ovate, about 3.5 x 2.2 mm, pointed. Petals are ovate-lanceshaped, about 3 x 1.5 mm, hairless, pointed; lip rhombic or broadly elliptic in outline, about 3 x 2.5-3 mm, blunt, base and tip fleshy, shallowly 3-lobed or nearly unlobed, base with 1 reddish brown oblong callus about 1 mm, on either side with a rounded and a subobovate-rounded reddish brown callus, and near tip with a reddish brown anchor-shaped median appendage. Column is about 1 mm, foot about 1.5 mm. One-Leaf Eria is native to E. Himalaya to China (S. Yunnan) and Malaya, Borneo. Flowering: June-July.

Identification credit: Jambey Tsering Photographed in Bhalukpong, West Kameng, Arunachal Pradesh.

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