FLORA OF VIETNAM Orchidaceae Collabium assamicum (Hook.f.) Seidenf.
S. Viet Nam. Kon Tum Province, Kon Plong District, Hieu Municipality, Mang La forest enterprise station (14°40′37″N, 108°23′52″E). Collections along trail in forest enterprise at elev. 1057-1220 m. Terrestrial, near ridge top. Inflorescence dull purple, tepals green with red-purple spots, rostellum and nectary spur yellow, labellum pure white, faint sweet fragrant. Rare.