Geodorum Jackson, in Andr., Bot. Repos. (1810) t. 626
- Genus Ascochilus Blume, Fl. Javae (1828) vi (nomen)
- Genus Cistella Blume, Bijdr. (1825) 293
- Genus Otandra Salisb., Trans. Hort. Soc. 1 (1812) 298
- Genus Ortmannia Opiz, Flora 17 (1834) 592
Sympodial terrestrial plants with short rhizomes. Pseudobulbs consisting of several nodes, partly underground. Leaves few, sheathing at the base, glabrous, plicate, deciduous, convolute, thin-textured. Inflorescence arising from the base of the immature shoot, a raceme, flower-bearing part abruptly curved downwards. Flowers medium-sized, resupinate. Sepals free. Petals free, usually broader than the sepals. Lip not spurred, shallowly cup-shaped, not mobile. Column-foot present. Pollinia 2, solid, cleft, caudicles absent, stipe present, viscidium present.