N. Viet Nam. Ha Giang Province, Quang Ba District, at Sin Suoi Ho village and river. Degraded agricultural land among limestone rocks to ridgetop of exposed limestone under light canopy with many epiphytes and lithophytes on north and east facing slopes, at 23°06′57″N, 105°01′48″E, at 514-900 m. Epiphytic. Cylindical leaves green. Frequent. DKH 4872 1 April 2000 Collectors: D.K.Harder, N.T.Hiep, L.V.Averyanov, N.Q.Hieu, K.Daria.
Coordinates (geographic position):23° 6′ 57″ N, 105° 1′ 48″ E ±1000 mRecord creation: 2021-11-30, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01068734 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01068734