Associations
provided by BioImages, the virtual fieldguide, UK
In Great Britain and/or Ireland:
Foodplant / parasite
mostly hypophyllous uredium of Chrysomyxa ledi var. rhododendri parasitises live leaf of Rhododendron cinnabarinum
Foodplant / parasite
Oidium ericinum parasitises Rhododendron cinnabarinum
Description
provided by eFloras
Shrubs, often straggling, usually evergreen, rarely semideciduous, 1–3(–7) m tall. Petiole 5–20 mm, scaly; leaf blade leathery, narrowly to broadly elliptic, oblong-elliptic to oblong-lanceolate or ovate, 3–6(–11) × 1.5–2.5(–5) cm, more than 2.2 × as long as broad; base usually rounded; apex obtuse, mucronate; abaxial surface pale glaucous-green, scales 0.5–1 × their own diameter apart, or nearly contiguous, usually unequal, brown or brown-red, rather fleshy; adaxial surface grayish green, usually scaly. Inflorescence terminal, umbellate, 2–4(–7)-flowered. Pedicel 0.5–1(–1.6) cm; calyx discoid or undulate, 1–2 mm, usually scaly; corolla tubular to narrowly campanulate, variable in color: yellow to cinnabar red (sometimes 2-colored), deep plum crimson, or rarely plum purple, 2.5–3.8 cm, fleshy; lobes spreading, ca. 1/3 as long as corolla, without or rarely with scales abaxially; stamens 10, slightly shorter than corolla, filaments pubescent towards base, rarely glabrous; ovary scaly, apex sometimes puberulous; style sparsely pubescent towards base or glabrous. Capsule cylindric or cylindric-ovoid, ca. 10 mm, densely scaly. Fl. May, fr. Sep.
- 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), S. Tibet, N. Assam.
- 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, NW Yunnan [Bhutan, NE India, NE Myanmar, 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
Forests, open woodlands, forest margins, Rhododendron thickets, among shrubs, hillsides; 1900–4000 m.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Rhododendron cinnabarinum: Brief Summary
provided by wikipedia EN
Rhododendron cinnabarinum (朱砂杜鹃) is a rhododendron species native to eastern Nepal, Bhutan, Sikkim, southeastern Tibet, and southwest China, where it grows at altitudes of 1,900–4,000 m (6,200–13,100 ft). It is a straggling evergreen shrub that grows to 1–3 m (3.3–9.8 ft) in height, with leathery leaves that are broadly elliptic, oblong-elliptic to oblong-lanceolate or ovate, 3–6 by 1.5–2.5 cm in size. The flowers are yellow to cinnabar red, sometimes ranging to plum colors.
- license
- cc-by-sa-3.0
- copyright
- Wikipedia authors and editors