Ha Giang Prov., Vi Xuyen Distr., Tung Ba municipality, Khau Ca NR. Primary broad-leaved humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 700-1150 m a.s.l. around point 22°50′43.9″N 105°07′18.5″E. Lithophytic herb. Occasional. 09 May 2015 CPC 7830 Coll.: N.Q. Hieu, N.T.Hiep, T.B. Ngan, C.Q. Ngan, D.K. Harder, C. P. Tuy, G.C.Pao
Coordinates (geographic position):22° 50′ 43.9″ N, 105° 7′ 18.5″ E ±1000 mRecord creation: 2020-12-24, Leonid Averyanov, PhotoScan D2Citation: Specimen LE 01075354 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01075354