Ha Giang Prov., Bac Me Distr., Phieng Luong municipality, around Phieng Luong village. Primary broad-leaved humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1100-1150 m a.s.l. around point 22°38′07.1″N 105°19′22.1″E. Creeping canopy epiphyte on shady steep rocky slope. Occasional.
13 November 2014 CPC 7398b / TM 1133b Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz Flowered at 31 July 2017. Flowers purple, photos
Coordinates (geographic position):22° 38′ 7.1″ N, 105° 19′ 22.1″ E ±1000 mRecord creation: 2019-08-29, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01058452 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01058452