Son La Prov., Yen Chau Distr., Muong Lum Municipality, Xao village, around point 20°59'54"N 104°38'47"E. Broad-leaved and coniferous (with Pinus kwangtungensis and Calocedrus rupestris) evergreen forest on steep slopes and on tops of ridge composed with rocky crystalline solid marble-like highly eroded limestone at elev. 1100-1300 m a.s.l. Creeping epiphyte and lithophyte. Flowers white, tepals with purple striation. Very common. HAL 9525 04 Nov. 2006. Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.
Coordinates (geographic position):20° 59′ 54″ N, 104° 38′ 47″ E ±1000 mRecord creation: 2019-06-11, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01055155 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01055155