FLORA OF LAOS Orchidaceae Eclecticus chungii P.O'Byrne
Vientiane Prov., Vang Vieng Distr., Nathong village, about 5 km to the W of Vang Vieng town, Tham Kang Mt., around point 18°55′51.4”N 102°23′50.6”E.
Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-500 m.
Fl. Under cultivation in June 2013. Flowers odorless; sepals and petals yellow with brown-purple tint to apex, particularly outside; lip side lobes dark purple-brown, epichile pure white, sac yellow; column hite, purple with yellow at the base; anther light yellowish-green; pollinia light yellow.