FLORA OF VIETNAM
Orchidaceae
Ceratostylis siamensis Downie

Lai Chau Prov., Tam Duong Distr., Ho Thau Community, Ho Thau village, around point 22°23′05″N 103°36′46″E.

Secondary and primary evergreen closed forest on very steep mountain slopes composed with granite and quartzite at elevation from 1500 to 1900 m a.s.l.

Epiphyte on mossy trees on steep rocky shady mountain slope. Locally common.

HAL 10181 29 Nov. 2006
Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.