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New article for Trees and Shrubs Online.
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'Rhododendron tomentosum' from the website Trees and Shrubs Online (treesandshrubsonline.
Small, erect or decumbent shrub, 0.3-1.2 m; young shoots ferruginous-lanate, glandular. Leaves 0.6-5 x 0.1-0.5(-1.2) cm, linear to narrowly elliptic-oblong, margin strongly revolute, upper surface dark green, dull, lower surface densely ferrugineous-lanate, epidermis with or without short setulose hairs, sometimes also with reddish glands, scales rimless, golden. Flowers many, in a loose terminal umbellate corymb; calyx minute; corolla white, rotate, 4-8 mm; stamens 7-10; ovary glandular, style glabrous. Flowering June-July. Royal Horticultural Society (1997)
Distribution Holarctic
Habitat s.l.-2,000 m
RHS Hardiness Rating H6
Conservation status Least concern (LC)
Leaves 0.6-2 x 0.1-0.3cm, lower epidermis with few or no setulose hairs.
Distribution Arctic regions of Europe, America and Russia, also Japan (Hokkaido) and Korea.
Taxonomic note (Ledum minus hort., L. palustre L. var. decumbens Aiton, R. subarcticum Harmaja)
Leaves 1.2-5 x 0.2-0.5(-1.2)cm, lower epidermis covered with short setulose hairs.
Distribution N & C Europe, Russia (European part, extending to S Siberia).
Habitat s.l.-2,000m.
Taxonomic note (Ledum palustre L.)