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°50'39.4"N 105°07'50.3"E. Lithophyte herb. Flower yellow. 08 May 2015 CPC 7718. 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′ 39.4″ N, 105° 7′ 50.3″ E ±1000 mRecord creation: 2019-06-21, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01055759 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01055759