Luang Prabang prov., Pon Xay distr., along the way to Bane Phou Souong village, Pha Hiua Bin Toc Mountain, around point 19°57'37.0"N 102°25'03.0"E. Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 600-850 m a.s.l. Epiphyte on mossy tree on mossy rocky mountain top. Flowwer buds white with purple tint. Occasional. LA-VN 2160 5 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):19° 57′ 37″ N, 102° 25′ 3″ E ±1000 mRecord creation: 2019-05-23, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01054573 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01054573