FLORA OF VIETNAM Gesneriaceae Aeschynanthus mendumiae D.J.Middleton
Son La Prov., Van Ho Distr., Tan Xuan Municipality, Cot Moc village, territory of Xuan Nha natural reserve, eastern slopes of Pha Luong Mountain.
Remnants of primary and secondary broad-leaved evergreen humid forest on very steep mountain slopes composed by shale and sandstone at elevation 700-800 m a.s.l. around point 20°40′33.3″N 104°39′00.3″E.
Epiphytic undershrub with pendent shoots to 1 m long on old mossy tree. Flowers brightly red. Occasional.