Wing-Lip Bulb-Leaf Orchid
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Wing-Lip Bulb-Leaf Orchid
P Native Photo: Jambey Tsering
Common name: Wing-Lip Bulb-Leaf Orchid
Botanical name: Bulbophyllum pteroglossum    Family: Orchidaceae (Orchid family)
Synonyms: Bulbophyllum monanthum, Bulbophyllum uniflorum

Wing-Lip Bulb-Leaf Orchid is a miniature sized, tree-dwelling orchid with a stout, creeping rhizome with 4.5 cm between each, cylindric pseudobulbs enveloped basally by fibrous sheaths and carrying a single, apical, oblong, somewhat pointed, leathery, stalked leaf. The plant blooms in the fall and winter on a basal, pendant, 1 cm long, single flowered inflorescence. Flowers are thickened, erect, pale yellow spotted with red, except purple-red mid-lobe of lip. Dorsal sepal is elliptic, concave, 12-15 x about 7 mm, tip blunt; lateral sepals obliquely ovate-triangular, about 7 x 6 mm, contracted and twisted above middle, base adnate to column foot forming a broad mentum, tip blunt. Petals are oblong-lanceshaped, about 8 x 3 mm, margin entire; lip erect, 2-2.5 mm, basal half nearly square, heart-shaped at base, connected to end of column foot by a mobile joint, near middle 3-lobed; lateral lobes erect, their tips about 6 mm apart; mid-lobe triangular, tip blunt-rounded. Column is stout; foot upcurved, about 1 cm. Wing-Lip Bulb-Leaf Orchid is found in E. Himalaya to China, at altitudes of 1400 m. Flowering: November.

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

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