Hoa Binh Prov., Lac Son Distr., Tu Do Municipality, Mon village, around point 20°24′52”N 105°19′41”E. Secondary evergreen dry broad-leaved forest on steep rocky slopes of remnant mountain composed with highly eroded marble-like solid crystalline limestone at elevation about 300 m a.s.l. Clustering epiphyte on tall tree. Tepals whitish, epichile yellow. Very common. CPC 1386 23 March 2011 Coll.: N.Q.Hieu, L.Averyanov, N.T.Hiep, P.K.Loc, P.V.The, N.T.Vinh, T.B.Ngan, N.Tap, D.D.Dao, V.T.Ha.
Fl. et coll. under cultivation at 02 April 2014. Flowers with light unpleasant smell, tepals light yellowish with 3 purple nerves, lip whitish, side lobes purple, epichile yellow, disc with 3 purple keels. Photos. L.Averyanov
Coordinates (geographic position):20° 24′ 52″ N, 105° 19′ 41″ E ±1000 mRecord creation: 2020-06-20, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01068004 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01068004