Son La Prov., Moc Chau Distr., Chieng Son comm., Hin Pen village, around point 20°42′36.7N 104°35′11.0E. Primary and secondary evergreen broad-leaved forest on very steep slopes and cliffs of highly eroded red-brown sandstone at elevation about 1200 m a.s.l. Creeping epiphyte on mossy trees on mountain top. Common. 29 September 2016 CPC 8144a Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.
Living plant collected without herbaria. Flowered in 28 March 2018.
Coordinates (geographic position):20° 42′ 36.7″ N, 104° 35′ 11″ E ±1000 mRecord creation: 2020-06-20, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01067998 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01067998