Cryptostylis R.Br.,
Prodr. Fl. Novae Holland. Ins. Van-Diemen (1810) 317
Stemless sympodial terrestrial plants without rhizomes. Shoots 1-leaved, clustered. Leaves not sheathing at the base, with a distinct petiole, glabrous, persistent, convolute, herbaceous. Inflorescence arising from the base of the plant, a raceme. Flowers medium-sized, not resupinate. Sepals free, narrow. Petals similar. Lip without spur, not mobile, usually yellowish or red-brown with darker spots. Column hidden in a basal cavity of the lip, lacking a column-foot. Pollinia 4, mealy, caudicles absent, stipe absent, viscidium present.
Distribution
Sri Lanka, India, Southeast Asia, Malaysia, Indonesia, the Philippines, Papua New Guinea, Australia, Fiji, Samoa; about 15 species.
Distribution in the Philippines
Luzon (Kalinga-Apayao, Rizal, Laguna, Quezon, Tayabas, Camarines, Sorsogon), Polillo, Biliran, Mindoro, Negros, Leyte, Camiguin, Mindanao (Davao); 2 or 3 species.
Habitat
Terrestrial in lowland and lower montane forest.
Notes
An isolated genus of terrestrial forest plants, easily recognised by the stalked leaves that are not plicate, and by the spidery flowers having the lip uppermost. Very rarely cultivated.