Broadleaf Golden-Tongue Orchid
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Broadleaf Golden-Tongue Orchid
P Native Photo: Jambey Tsering
Common name: Broadleaf Golden-Tongue Orchid
Botanical name: Diglyphosa latifolia    Family: Orchidaceae (Orchid family)
Synonyms: Chrysoglossum latifolium, Chrysoglossum macrophyllum, Diglyphosa macrophylla

Broadleaf Golden-Tongue Orchid is a medium sized, terrestrial orchid with a creeping rhizome carrying a tall cylindrical pseudobulb with a single, apical, pleated, oval, blunt leaf which gradually narrows into a 20 cm long, purple leaf-stalk. The plant blooms in the spring on a basal, 20 cm long, densely many flowered inflorescence. Flowers are fleshy, mostly opening simultaneously, orange-red, spotted with purple, foul-smelling; flower-stalk and ovary 10-14 mm, slender. Dorsal sepal narrowly oblong-ovate, 10-13 x 2.5-3.5 mm, 3-veined, tip tapering; lateral sepals oblong-ovate, sickle shaped, 7-11 x about 3 mm, 3-veined. Petals are similar to lateral sepals, 9-13 x 3-5 mm, base adnate to column foot; lip mobile, oblong-obovate, about 5 x 3 mm, fleshy, slightly constricted near middle, concave below constriction and reflexed above, tip pointed; disk with 2 fleshy lamellae extending from base of lip almost to tip, converging into a single ridge toward base and tip. Broadleaf Golden-Tongue Orchid is found in NE India, Indonesia, Malaysia, New Guinea, Philippines and China, at altitudes of 1200 m. Flowering: June.

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

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