Trachoma Garay, Bot. Mus. Leafl. 23 (1972) 207
- Genus Parapteroceras Aver., Bot. Zhurn. 75 (1990) 723
- Genus Tuberolabium Yamamoto, Bot. Mag. (Tokyo) 38 (1924) 209
Monopodial epiphytes. Stem short to elongated. Leaves few to several, arranged in two rows, sheathing at the base, glabrous, deciduous, duplicate, leathery. Inflorescence lateral, a many-flowered raceme. Flowers either appearing in successive clusters or simultaneously along the whole inflorescence, rather small, ephemeral or not, resupinate. Sepals free. Petals free, somewhat narrower than the sepals. Lip with or without spur, more or less sac-shaped, without callosities, not mobile. Column-foot present or absent. Pollinia 2, entire or with a short slit, solid, caudicles present or absent, stipe present, short, viscidium present.
In New Guinea genus Trachoma contains the following 2 species: