N. Vietnam, Ha Giang prov., Dong Van distr., Ho Quang Phin municipality (N 23є11' E 105є15'), 48.2 km to 36є of Ha Giang city. Remnants of dry mossy open coniferous forest with Pseudotsuga brevifolia along tops of remnant limestone karst ridge at elev. 1250-1300 m a.s.l. Lithophyte on shady cliffs. Common.
No NTH 3349 06 Oct. 1999
Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.
Record creation: 2023-08-23, Galina Savich, PhotoScan D2.. Processing status: work_status_1Citation: Specimen LE 01232920 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01232920
Houphan Prov., Hem Distr., Na Puok village, Pu Tham Nhon mountain around point 20°10'00.0''N 103°24'37.0''E. Primary and secondary broad-leaved evergreen dry forest on very steep rocky mountain slopes composed by solid marble-like highly eroded limestone at elev. 1050-1150 m a.s.l. Terrestrial herb to 0.5 m tall on steep rocky slope. Flowers purple-violet. Common.