Kindly sponsored by
Peter Norris, enabling the use of The Rhododendron Handbook 1998
New article for Trees and Shrubs Online.
'Rhododendron albertsenianum' from the website Trees and Shrubs Online (treesandshrubsonline.
Shrub, 1–2 m. Leaves 8.5–9.5 × c.2.2 cm, narrowly elliptic, lower surface with a continuous two-layered indumentum, the upper layer light brown, tomentose, composed of ramiform hairs, the lower felted and more or less compacted. Flowers 5–6, in a loose truss; calyx cupular, 3–4 mm; corolla bright crimson-rose, tubular-campanulate, with nectar pouches, c.30 mm; ovary densely tomentose, tapering into the glabrous style. Flowering April. Royal Horticultural Society (1997).
Distribution China NW Yunnan
Habitat c.3,000 m
RHS Hardiness Rating H5
Conservation status Vulnerable (VU)
This species, which has affinities with R. sperabile, has only been collected once. It may be distinguished from its immediate allies by the two-layered leaf indumentum. Royal Horticultural Society (1997)