Dipodium R.Br., Prodr. (1810) 330
- Genus Hydranthus Kuhl & Hasselt ex Rchb.f., Xenia Orchid. 2 (1862) 20
- Genus Leopardanthus Blume, Rumphia 4 (1848) 47
- Genus Trichochilus Ames, J. Arnold Arbor. 13 (1932) 142
- Genus Wailesia Lindl., J. Hort. Soc. London 4 (1849) 261
Sympodial or monopodial terrestrial plants, sometimes leafless. Stem rather short to much elongated, sometimes spirally climbing, not fleshy, many-leaved (or leafless). Leaves sheathing at the base, arranged in two rows, glabrous, deciduous, duplicate, relatively narrow, thin-leathery. Inflorescence a several-flowered lateral raceme. Flowers medium-sized to rather large, resupinate, creamy white with brownish or purple spots, the spots being more deeply coloured on the outside of the sepals and petals than on the inside. Sepals free. Petals free, similar to the dorsal sepal. Lip without spur, not mobile, on the mid-lobe with a hairy crest. Column-foot absent. Pollinia 2, cleft, solid, caudicles absent, stipe present, Y-shaped, viscidium present.