FLORA OF LAOS Hin Nam No Nature Protected Area Rubiaceae Argostemma laeve Benn. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'00.3"N, 105°47'35.6"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Terrestrial and lithophytic herb on wet rocky slope. Flowers white, anther yellow. Not common. 4 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 593.
Coordinates (geographic position):17° 35′ 0.3″ N, 105° 47′ 35.6″ E ±1000 mRecord creation: 2019-01-13, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01048784 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01048784