N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW
from Dong Hoi, municipalite Thong Hoa, vicinities of Yen Son village, limestone massif Ke Bang (N 17ø40' E 105ø57'). Remnant open evergreen primary broadleaved forest along river in alluvial valley bottom between limestone ridges and mesas at 200 m
alt.
Prostrate herb on wet shadow stream slopes. Not common.
No VH 4729 17.05.1997
International Botanical Expedition of the U.S.A. National Geographic
Coordinates (geographic position):17° 40′ N, 105° 57′ E ±1000 mRecord creation: 2019-01-16, Leonid Averyanov, ILCE-7RCitation: Specimen LE 01041912 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01041912