Houphan Prov., Hem Distr., Nacoc village, Puphadeng mountain, around point 20°09'52.6''N 103°10'19.4''E. Primary and secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1200 m a.s.l. Creeping epiphyte on old mossy tree on mountain top.
Herbarium prepared on 19 November 2021. Flowers with strong, very unpleasant smell, tepals purple with dull yellowish markings. L. Averyanov, T. Maisak, LA-VN 1417a TM 1257.
Coordinates (geographic position):20° 9′ 52.6″ N, 103° 10′ 19.4″ E ±1000 mRecord creation: 2021-12-04, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01077843 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077843