Ha Giang Prov., Quan Ba Distr., Can Ty Commune, Sin Suoi Ho Village, around point 23.09566ºN 105.02142ºE. Very steep mountain slopes composed of solid highly eroded karstic limestone at elevation 800–1000 m a.s.l. Remnants of primary evergreen broad-leaved and coniferous (with Calocedrus rupestris and Xanthocyparis vietnamensis) humid forest. Lithophytic herb on mossy rocks. Not rare. 11 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1550a.
Fl. et coll. in horto in 25 February 2021, by L. Averyanov & T. Maisak, VR 1550a.
Coordinates (geographic position):23° 5′ 44.38″ N, 105° 1′ 17.11″ E ±1000 mRecord creation: 2021-04-23, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01077034 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077034