Diglyphosa Blume, Bijdr. (1825) 336
Sympodial terrestrial plants with short to rather long rhizomes. Pseudobulbs consisting of one internode, slender, one-leaved. Leaves not sheathing at the base, glabrous, plicate, not deciduous, convolute, thin-textured. Inflorescence a terminal, few- to many-flowered raceme (very rarely branching) arising on a specialised leafless shoot. Flowers small, resupinate. Sepals free. Petals similar to the lateral sepals. Lip without spur, mobile. Column-foot present. Pollinia 2, solid, caudicles, stipe, and viscidium absent.