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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The flower labeled Hidden Bulb-Leaf Orchid is ...