Quang Binh Prov., Minh Hoa Distr., Hoa Son municipality, B’Lam Lang limestone mt., around point 17°42’12.1”N 105°47’39.0”E. Primary selectedly logged closed evergreen broad-leaved forest on near top ridge of limestone at elevation about 620 m a.s.l. Perennial herb, on rich in humus, wet and shady crack. Flowers white. Occasional. CPC 4235 15 August 2011 Coll.: N.T.Hiep, N.Q.Hieu, N.V.Tap, N.S.Khang, N.Q.Vinh & L.T.Kien.
Coordinates (geographic position):17° 42′ 12.1″ N, 105° 47′ 39″ E ±1000 mRecord creation: 2019-01-16, Leonid Averyanov, ILCE-7RCitation: Specimen LE 01041602 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01041602