FLORA OF VIETNAM Orchidaceae Collabium chapaensis (Gagnep.) Seidenf. & Ormerod
Son La Prov., Van Ho Distr., Chieng Xuan Municipality, Co Hong village, territory of Xuan Nha natural reserve, Pha Luong Mountain.
Primary coniferous and mixed forest with Pinus cernua on very steep slopes along ridge edge composed by brown sandstone at elevation 1200-1400 m a.s.l. around point 20°41′40.5″N 104°39′24.7″E.
Creeping herb in shady places. Leaves green with unclear dark green spots. Not common.
Flowered in cult. in Aug.- Sept. 2014. Flowers odorless, tepals light green, lip very light yellow-greenish at the center, lip side lobes purple at apex, median lobe white, column purple, anther light pink, pedicel and ovary green.