Rhododendron javanicum

Rhododendron javanicum is a rhododendron species native to Indonesia, Malaysia, and the Philippines. This evergreen shrub grows to 5 m with bright orange flowers in spring. Plants may be terrestrial or epiphytic. Some forms from the Philippines may have red or bicoloured flowers, but are less often seen in cultivation.

Subspecies
Nine subspecies are recognized:
 * Rhododendron javanicum subsp. brookeanum (H.Low ex Lindl.) Argent & Phillipps – epiphytic shrub or tree, Borneo
 * Rhododendron javanicum subsp. cladotrichum (Sleumer) Argent – epiphytic shrub, Borneo (Sabah and east-central Kalimantan)
 * Rhododendron javanicum subsp. gracile (H.Low ex Lindl.) Argent, A.Lamb & Phillipps – epiphytic shrub, Borneo
 * Rhododendron javanicum subsp. javanicum – hemiepiphytic shrub or small tree, Sumatra, Java, Borneo, and the Lesser Sunda Islands
 * Rhododendron javanicum subsp. kinabaluense (Argent, A.Lamb & Phillipps) Argent – hemiepiphytic shrub, Borneo (Sabah)
 * Rhododendron javanicum subsp. moultonii (Ridl.) Argent – epiphytic shrub, Sabah and Sarawak
 * Rhododendron javanicum subsp. palawanense Argent – epiphytic shrub, Philippines (Palawan)
 * Rhododendron javanicum subsp. schadenbergii (Warb.) Argent – epiphytic shrub, Philippines and northeastern Sulawesi
 * Rhododendron javanicum subsp. teysmannii (Miq.) Argent – epiphytic shrub, Peninsular Malaysia, Sumatra, Java, and Lesser Sunda Islands