Associations
provided by BioImages, the virtual fieldguide, UK
In Great Britain and/or Ireland:
Foodplant / parasite
Oidium ericinum parasitises Rhododendron griffithianum
Description
provided by eFloras
Shrubs or small trees, evergreen, 1.3–4(–10) m tall; shoots ca. 4 mm in diam. below inflorescence; young shoots stout, glabrous. Petiole stout, 20–35 mm, glabrous; leaf blade leathery, oblong to oblong-elliptic or oblong-ovate, 10–19(–30) × 4.5–12 cm; base rounded or subcordate; apex acute to rounded and apiculate; abaxial surface glabrous; adaxial surface green, smooth; midrib prominent abaxially, grooved adaxially; lateral veins 19–24-paired, distinct on both surfaces. Inflorescence umbellate, 4- or 5-flowered; rachis 50–70 mm. Pedicel glabrous, 3.5–4 cm; calyx cupular, 7–20 mm, glabrous or sparsely glandular-hairy; corolla campanulate, pink at first, later white, 5.5–8 cm, glabrous; lobes 5, suborbicular, ca. 2 × 3.5 cm, emarginate; stamens 12–18, filaments glabrous; ovary ovoid, ca. 7 mm, glandular; style glandular to tip; stigma swollen. Capsule cylindric, ca. 35 × 15 mm.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
E. Himalaya (E. Nepal to Bhutan), N. Assam, S. Tibet.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
S Xizang [Bhutan, N India, E Nepal, Sikkim].
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Broad-leaved forests, Rhododendron thickets; 2100–2800 m.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
