Chusua Orchis is a terrestrial orchid 12-26 cm
tall. Leaves are two, unequal, arranged distance apart, 2 to 5 cm long
and less than 1 cm in width, inverted-lanceshaped with broader base,
stalkless and clasping. The lower more than twice long as the upper
one. Flowers are 4-7 in a spike at branch-ends. Flowers are 2-2.5 cm
long diagonally. Sepals are un-equal; dorsal smaller than the lateral,
lanceshaped to ovate, arching over the petals, one nerved. Petals are
slightly longer than the dorsal sepal, ovate, arranged forward with
curving and over-lapping tip, one nerved. Lip distinctly and deeply
three lobed, mid and side lobes as long as the lateral sepals; mid lobe
narrow and short than the side lobes, oblong; lateral diverging,
obelliptic with wider tip and sickle curve inner margins, tip margin
with many wide round teeth. Spur longer than the lip and the ovary,
slightly curved, cylindrical with wide base and tip, tip rounded.
Chusua Orchis is found in the Himalayas, from Kumaun to Bhutan,
NE India, Tibet, Burma, at altitudes of 2400-4900 m.