N.Vietnam, Bac Kan Prov., Na Ri Distr., Liem Thuy Municipality, Na Bo village, around point 21°56′44′'N, 106°05′09′'E, at elevation 300-600 m a.s.l. Primary selectly logged broad-leaved evergreen forest on very steep slopes and cliffs of rocky ridge composed with white solid marble-like crystalline limestone. Terrestrial and lithophytic creeping herb in steep rocky slope. Leaves very deep green. Rare. HAL 5398 29 May 2004
Coordinates (geographic position):21° 56′ 44″ N, 106° 5′ 9″ E ±1000 mRecord creation: 2021-12-02, Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01077668 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077668