monopodial herbs. Stems pendulous, terete, sometimes branched, many noded.
Leaves distichous, sheathing at base; leaf blade narrowly ovate to
falcate-lanceolate. Inflorescence lateral, racemose, laxly few flowered.
Flowers not resupinate, opening widely, fleshy. Sepals and petals similar,
free, spreading. Petals narrower than sepals; lip superior, spurless, fleshy,
attached to column base; hypochile boat-shaped; epichile narrowed, apex forked
into 2 tails. Column short, stout; stigma large; pollinia 4, unequal, globose;