N. Vietnam, Thai Nguyen prov., Vo Nhai distr., Than Sa municipality, vicinities of Kim Son village (N 21º48' E 105º54'), 23.3 km to 18º of Thai Nguyen city. Primary broadleaved evergreen dry forest on very steep rocky slopes of karst remnant limestone ridge at elev. 300-450 m a.s.l. Terrestrial forb on shady slope. Rare.
No NTH 3802 23 Oct. 1999
Collectors: N.T. Hiep, P.K. Loc, L. Averyanov.
Fl. et coll. in horto on 05 Sept. 2000 L. Averyanov.
Coordinates (geographic position):21° 48′ N, 105° 54′ E ±1000 mRecord creation: 2020-09-12, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01069348 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01069348