FLORA OF LAOS Hin Nam No Nature Protected Area Ericaceae Rhododendron maddenii Hook.f. Laos, Khammouane prov., Boualapha distr., Nong Seng village, southern sandstone slopes at summit of Phou Chuang (Poujeuang) Mt. around point 17°35'18.1"N, 105°47'47.5"E. Primary evergreen mixed and coniferous dense wind-formed forest at elev. 1000-1400 m a.s.l. Shrub 2-3 m tall on mountain top. Flowers white, with light red marks. Very common. 5 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 642c.
Coordinates (geographic position):17° 35′ 18.1″ N, 105° 47′ 47.5″ E ±1000 mRecord creation: 2019-01-19, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01048286 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01048286