N.Vietnam, Thanh Hoa Prov., Ba Thuoc Distr., Thanh Son Municipality, middle part of Pu Luong range to the W of Long Bong village (20º27'52''N, 105º07'36''E). Primary evergreen seasonal broad-leaved closed submontane forest on basalt along main ridge at elev. 1200-1400. Achlorophyllous ground root red parasite. Occasional.
Record creation: 2026-03-15, Аверьянов Леонид ВладимировичCitation: Specimen LE 01204028 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01204028