Rhododendron, like Deschampsia, Gentiana and Primula, are found in many tropical and subtropical countries, but none of them can tolerate hot climate. Wallace (1869)... to be continued...   Kingdom: Plantae (unranked): Angiosperms (unranked): Eudicots (unranked): Asterids Order: Ericales Family: Ericaceae (heath or heather, Heidekrautgewächse)  Genus: Rhododendron LINNAEUS, 17?? (Rhododendron) [det. Tony Rodd, 2012, based on photos]  Subgenus: Rhododendron Section: Discovireya  probably: Rhododendron adinophyllum MERRILL, 1940  more info: www.globaltrees.org/downloads/RhododendronsRedList-lowRes... locus trypicus: Indonesia, N. Sumatra, 2600-3400 meter  published: www.hirsutum.info/rhododendron/species/detail.php?id=93  Indonesia, N-Sumatra, Aceh: Mt. Leuser NP (E-slope of Mt. Kemiri), ca. 2900-3200m asl., 16.04.2009  IMG_4847