Lai Chau Prov., Sin Ho Distr., Ma Quai Municipality, Tua Vang mountain ridge, around point 22°24'01"N 103°22'22"E. Broad-leaved evergreen closed wet primary forest on steep mountain slopes composed with sandstone at elev. 1500-1650 m a.s.l. Terrestrial herb on mossy rocky steep slope. Locally common. HAL 9966 18 Nov. 2006. Coll.: Nguyen Tien Hiep, L.Averyanov, Pham Van The.
Coordinates (geographic position):22° 24′ 1″ N, 103° 22′ 22″ E ±1000 mRecord creation: 2019-02-22, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01049275 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01049275