Rhododendron irroratum Franch. var. kontumense (Sleum.) Chamb.
S. Vietnam, Prov. Lam Dong, 29 km to NE from Dalat city, distr. Lac Duong, municipalite Da Chay. Primary mixed cloud forest with Fokienia hodginsii on peaks of Bi Dup ridge at 2150 m alt. in 1.5 km to N from main peak of mt system (N 12° 06′, E 108° 39′). Tree 10-12 m hg. Very common. Codominante of 2 forest stratum. VH 3052 22.03.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)