INTRODUCTION: The approximate 20 species in this genus are distributed throughout tropical south east Asia, the island of New Guinea and northern Australia.
DERIVATION OF GENUS NAME:
TYPE SPECIES: Thelasis carinata (Blume)
CHARACTERISTICS OF GENUS: The character of this genus are the subtubular flowers without a mentum in conjunction with the pollinarium, the column without a foot and the labellum being broadest near the base.
HABITAT: tropical rainforests
CONSERVATION STATUS: not threatened
PHOTO: Thelasis carinata
Thelasis Blume