FLORA OF LAOS Hin Nam No Nature Protected Area Rubiaceae Ophiorrhiza rosacea Ridl. Laos, Khammoune prov., Boualapha distr., Vang Maner village, around point 17°29'39.3"N, 105°50'24.6"E. Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 350-430 m a.s.l. Terrestrial herb in open rocky place. Flowers white, apex of tepals violet. Not rare. 9 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 846.
Coordinates (geographic position):17° 29′ 39.3″ N, 105° 50′ 24.6″ E ±1000 mRecord creation: 2019-01-23, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01048274 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01048274