Vietnam, Nghe An Prov., Tuong Duong Distr., Tam Hop Municipality, Pa Lom village, around point 19°05′07″N 104°21′01″E at elevation about 1200 m a.s.l. Submontane primary evergreen closed forest on very steep mountain slopes composed with stratified solid shale. Epiphyte on tall mossy tree. Sepals and petal yellowish, lip yellowish with purple sidelobes and deep purple central three keels and yellowish epichile. Common. HLF 6916 23 March 2007. Photo. Coll. Averyanov L., P.K.Loc, N.V.Trai, N.T.Vinh, N.D.Phuong, Averyanova A. Grant from Henry Luce Foundation.
Coordinates (geographic position):19° 5′ 7″ N, 104° 21′ 1″ E ±1000 mRecord creation: 2020-06-20, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01068008 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01068008