Luang Prabang prov., Ngoy distr., Ngoy village, Pha Noi Mountain, around point 20°42′53.6′'N 102°40′34.7′'E. Remnants of primary evergreen forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 400-450 m a.s.l. Epiphyte in shady places on mossy rocky mountain top. Flowers odorlrss, tepals white with pink tint, lip purple. Very common. LA-VN 1980 1 April 2017 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.Maisak, Vichith Lamxay, Koudkeo Phommachanh, Phizar Sayalath, Keooudone Souvannakhoummane.
Coordinates (geographic position):20° 42′ 53.6″ N, 102° 40′ 34.7″ E ±1000 mRecord creation: 2019-11-02, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01059581 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01059581