Erythrodes Blume,
Bijdr. (1825) 410
Sympodial terrestrial plants. Stem elongated, slightly succulent, basal part creeping, forming a rhizome, apical part erect. Leaves few, sheathing at the base, glabrous, persistent, convolute, green, herbaceous. Inflorescence a several to many-flowered terminal raceme. Flowers small, resupinate, usually red-brown with a white mid-lobe to the lip. Sepals free, lateral sepals patent. Petals free, about as long as the dorsal sepal, usually cohering at the apices Lip spurred, not mobile, spur slender, bilobed at the apex, inside without warts. Column-foot absent. Pollinia 2, sectile, caudicles present, stipe absent, viscidium present. Stigma lobes not separated.
Distribution
Central and South America, Sri Lanka, tropical continental Asia, Malaysia, Indonesia, the Philippines, Papua New Guinea, Pacific islands, east to Tonga; about 60 species.
Distribution in the Philippines
Luzon (Kalinga-Apayao), Palawan, Mindoro, Leyte, Mindanao (Lanao, Agusan), Sulu; 3 species.
Habitat
Terrestrial in lowland and montane forest.
Notes
Rare and inconspicuous forest plants allied to Herpysma, Vrydagzynea, etc., distinguished by the lack of glands or warts in the bilobed spur.