N. Vietnam, Hoa Binh prov., Mai Chau distr., Hang Kia municipality, near Hang Kia village, (20є44'21''N, 104є53'57''E). Primary wet broad-leaved evergreen closed forest on of highly eroded remnant karst limestone ridge at elev. 1100-1200 m a.s.l. Terrestrial tuberiferous herb on steep rocky slope. Flowers white, lip white, epichile with numerous purple-violet marks. Rare. Tepals outside with finest brownish marks. No HAL 883 10 April 2001 Collectors: N.T.Hiep, L.Averyanov, N.T.Vinh, D.T.Doan.
Coordinates (geographic position):20° 44′ 21″ N, 104° 53′ 57″ E ±1000 mRecord creation: 2020-10-31, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01074060 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01074060