Habenaria aitchisonii - Two-Horned Habenaria

Two-Horned Habenaria is a terrestrial orchid up to 40-50 cm tall with stalkless, oblong, up to 5 cm long, tuberoids. Flowers are erect, appressed to the axis, green or yellowish-green. Tepals are 5 mm long; dorsal sepal forming a hood with petals, ovate-concave, about 3 mm broad; lateral sepals obliquely ovate-lanceshaped, deflexed; petals are oblong-lanceshaped, curved. Lip is 3-parted above base, about 7 mm long, yellowish-green; side-lobes thread-like, spreading, slightly longer than the linear deflexed mid-lobe. Spur is 8-10 mm long, shorter than ovary, slightly inflated towards the tip. Leaves are 2, basal, almost opposite, stalkless, round, 4-8 cm long, lying flat on ground, dark green with pale colored spots, slightly velvet-hairy above. Stem has several small, appressed sheaths slightly velvet-hairy above. Inflorescence is somewhat dense, almost one-sided. Bracts are lanceshaped, shorter than ovary. Two-Horned Habenaria is found in Afghanistan to the Himalayas to S. Central China and N. Myanmar, at altitudes of at altitudes of 2100-4300 m. Flowering: July-August.