Hidden Bulb-Leaf Orchid
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Hidden Bulb-Leaf Orchid
P Native Photo: Jambey Tsering
Common name: Hidden Bulb-Leaf Orchid
Botanical name: Bulbophyllum delitescens    Family: Orchidaceae (Orchid family)
Synonyms: Cirrhopetalum delitescens, Cirrhopetalum mirificum

Hidden Bulb-Leaf Orchid is a miniature to small sized, tree-dwelling or rock-dwelling orchid with a branched rhizome giving rise to ovoid to nearly cylindrical pseudobulbs spaced about 3 to 11 cm between each and carrying a single, apical, erect, thinly leathery, oblong, elliptic to obovate-oblong leaf, narrowing below into the stalked base. The plant blooms in the spring through fall on a erect to horizontal, from the rhizome just below the pseudobulb, 10-26 cm long, few [2 to 4] flowered inflorescence. Flowers are purple. Dorsal sepal ovate, boat-shaped, about 10 x 3 mm, tip flat and notched, in sinus with an awn about 7 mm; lateral sepals narrowly lanceshaped, about 60 x 2 mm, base adnate to column foot, twisted near base and fused along their upper and lower edges forming a tube, tip long tapering. Petals are curved-lanceshaped, 5-7 x 1.5-2 mm, tip flat to notched, in sinus with 1 short thread centrally; lip recurved, strap-shaped, about 5 mm, fleshy, base grooved, attached to end of column foot, immobile, tip blunt. Hidden Bulb-Leaf Orchid is found in Eastern HImalaya, Vietnam, China, at altitudes of 1000-2000 m. Flowering: April-November.

Identification credit: Jambey Tsering Photographed in Namdapha National Park, Arunachal Pradesh.

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