Kindly sponsored by
Peter Norris, enabling the use of The Rhododendron Handbook 1998
New article for Trees and Shrubs Online.
'Rhododendron wrightianum' from the website Trees and Shrubs Online (treesandshrubsonline.
Shrub to 2 m, epiphytic or terrestrial; young stems finely brown-scaly from low epidermal tubercles which make the twigs slightly rough to the touch. Leaves 2-4 x 1-2 cm, obovate, the apex broadly obtuse to rounded, more rarely retuse and mucronate, the margin revolute, entire, the base broadly tapering; the upper side at first sparsely scaly with silvery scales, quickly glabrescent, midrib impressed for most of its length, lateral veins up to 5 pairs obscure or not at all visible; the lower side with the midrib raised for most of its length, the laterals flat and obscure, the scales small, well spaced, brown, discoid or lobed and in shallow depressions. Flowers mostly in 2-3 flowered umbels, hanging or half-hanging; calyx a low scaly ring; corolla most commonly red or very dark blackish red, rarely white with pink lobes or red with white lobes, cylindrical to narrowly funnel-shaped, 3-3.5 x 1.5-2.5 cm, finely scaly on the tube outside; stamens 10, clustered on the lower side of the mouth of the flower; ovary densely silvery scaly, the style glabrous apart from a few scales at the very base. Royal Horticultural Society (1997)
Distribution Indonesia Papua Papua New Guinea
Habitat 1,400-3,200 m
RHS Hardiness Rating H2
Conservation status Least concern (LC)