Quang Binh Prov., Minh Hoa Distr., Hoa Son municipality, B°Lam Lang limestone mt., around point of dipterocarp forest, 17°42'15.8"N 105°48'24"E. Primary selectedly logged closed evergreen broad-leaved forest on foot of limestone mountain and silicat valley at elevation about 543 m a.s.l. Terrestrial perennial herb, up to 0.5 m tall. Flowers whitish. Common in wet places. CPC 4335 16 August 2011. Coll.: N.T.Hiep, N.V.Tap, N.S.Khang & L.T.Kien.
Coordinates (geographic position):17° 42′ 15.8″ N, 105° 48′ 24″ E ±1000 mRecord creation: 2019-02-22, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01049310 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01049310