Herbs, terrestrial or occasionally lithophytic. Stems mostly buried in soil, globose corms or elongate, small canes, of many nodes, decaying within several months after new corms produced. Leaves 2 or 3, rarely to 5, deciduous, linear-lanceolate, plicate, sheathing. Inflorescences several, emerging above leaves; rachis whitish or tan to pale green, branched or unbranched, with several tightly appressed brownish bracts; floral bracts loosely appressed, pinkish fading to brown. Flowers numerous, not resupinate, basally gibbous, perianth reflexed downward, pink to nearly white; ovary suberect. Sepals spreading, oblanceolate, basally connate forming a tube, apically free. Petals spreading or strongly reflexed, elongate, spatulate, obtuse, connate basally, free apically; lip basally adnate to column, apically expanded and 3-lobed, with longitudinal red to purple lines and spots. Column whitish to pink, apex dilated and abruptly incurved, lacking wings and a foot; anther cap pale yellow, 2-locular; pollinia 4, soft, without caudicle and viscidium. Capsule fusiform.

One species: Bangladesh, Bhutan, Cambodia, China, N India, Laos, Myanmar, Nepal, Sri Lanka, Thailand, Vietnam.

(Authors: Chen Xinqi (陈心启 Chen Sing-chi); Jeffrey J. Wood)