FLORA OF LAOS
Orchidaceae
Thrixspermum sutepense (Rolfe ex Downie) Tang et F.T.Wang

Vientiane Prov., Kasi Distr., Namken village, Phachao Mt., around point 19°18′45.5”N 102°22′31.4”E.

Primary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevations 1500-1750 m.

Lithophyte on mossy exposed rocks near mountain top. Flowers uniform light dull yellowish. Not common.

LA-VN 788 24 March 2013
Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy