Kindly sponsored by
Peter Norris, enabling the use of The Rhododendron Handbook 1998
New article for Trees and Shrubs Online.
'Rhododendron traillianum' from the website Trees and Shrubs Online (treesandshrubsonline.
Shrub or small tree, 0.6–8 m. Leaves 7–13 × 3–6.5 cm, obovate to elliptic, apex apiculate to acuminate, lower surface covered in a one-layered indumentum composed of radiate hairs that is either rust-red and powdery or brown and matted; petioles floccose. Flowers 6–15, in a dense truss; calyx c.1 mm; corolla white, sometimes flushed rose, with crimson flecks, funnel-campanulate, nectar pouches lacking, 25–45 mm; ovary glabrous or sparsely red-brown-tomentose, style glabrous. Flowering April-May. Royal Horticultural Society (1997)
Distribution China SE Tibet, W Yunnan, SW Sichuan
Habitat 3,350–4,550 m
RHS Hardiness Rating H7
Conservation status Least concern (LC)
R. dictyotum Balf.f. ex Tagg
Leaf indumentum composed of radiate hairs with long ribbon-like arms; corolla (35–)45 mm. Royal Horticultural Society (1997).
AM 1965 (E. de Rothschild, Exbury) to a clone 'Kathmandu', as R. dictyotum; flowers white, with a crimson blotch and crimson spots.
This species is closely allied to R. phaeochrysum but may be distinguished by the leaf indumentum. Royal Horticultural Society (1997).
Leaf indumentum composed of radiate hairs with short pyriform arms; corolla 25-35mm.
Distribution China (W Yunnan, SW Sichuan).