Cleisostoma Blume, Bijdr. (1825) 362
Etymology: From Greek kleitos, closed, and stoma, mouth referring to the narrow mouth of the spur which is almost blocked by calli
Subfamily: Epidendroideae
Tribe: Vandeae
Subtribe: Aeridinae

Synonyms: Blumeorchis Szlach. , Carteretia Rich. , Echioglossum Blume , Garayanthus Szlach. , Ormerodia Szlach. , Raciborskanthos Szlach. , Sarcanthus Lindl.
A genus of c. 90 species; c. 57 species in Malesia.
Distribution: Tropical Asia, Malesia, east to Fiji (not in Australia)