Kindly sponsored by
Peter Norris, enabling the use of The Rhododendron Handbook 1998
New article for Trees and Shrubs Online.
'Rhododendron exasperatum' from the website Trees and Shrubs Online (treesandshrubsonline.
Shrub or small tree, 2–5 m; bark smooth, reddish brown; young shoots and petioles densely covered with gland-tipped bristles. Leaves 11–13.5 × 6–7.5 cm, broadly elliptic to obovate, apex and base rounded, upper surface with impressed veins, lower surface with gland-tipped stiff hairs or bristles. Flowers 10–15, in a dense truss, brick-red, with darker nectar pouches, tubular-campanulate, 35–45 mm; ovary densely stalked-glandular, style glabrous. Flowering April-May. Royal Horticultural Society (1997)
Distribution Myanmar Upper Burma China Tibet India NE
RHS Hardiness Rating H5
Conservation status Near threatened (NT)
A rare species that is difficult to cultivate. The newly flushed leaves are an attractive plum purple colour. Royal Horticultural Society (1997)