Herbs, epiphytic, monopodial. Stems short, stout, with thick roots. Leaves many, often lorate, long and narrow, thickly fleshy, channeled, jointed and sheathing at base, unequally bilobed or toothed. Inflorescences lateral, erect or pendulous, racemose, densely many flowered; peduncle and rachis stout. Flowers resupinate, medium-sized. Sepals and petals similar, spreading; lateral sepals often wider and ± oblique. Petals smaller than sepals; lip adnate to column foot, immovable, entire or slightly 3-lobed, spurred at base; spur laterally compressed and backward-pointing. Column short, with a short foot; anther cap long pointed; rostellum long pointed; pollinia waxy, 2, globose, cleft; stipe long and narrow, apex slightly dilated; viscidium ovate, usually small.
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