S.Vietnam, Thua Thien Hue Prov., Phu Loc Distr., Bach Ma National Park, N slope of Bach Ma mt system around point 16°13'53''N 107°49'02''E at elev. about 100 m a.s.l. Broad-leaved evergreen wet secondary closed forest along rocky river valley and on river slopes. Creeping epiphyte on high trees. Rare. HLF 1582a 2 May 2003 Coll. N.T.Hiep, L.Averyanov, N.T.Vinh et al. Grant from Henry Luce Foundation. Flowered under cultivation in Aug. 2012. Flowers dull yellow, lateral sepals inside with irregular dirty-violet marks along margins, column and operculum yellow. L. Averyanov.
Coordinates (geographic position):16° 13′ 53″ N, 107° 49′ 2″ E ±1000 mRecord creation: 2020-06-11, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01068418 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01068418