Rhododendron cinnabarinum ssp. tamaense
Billeder af Rhododendron cinnabarinum ssp. tamaense
Beskrivelse
R. cinnabarinum ssp. cinnabarinum var. tamaense (Cinnabarina). Blade mere end 2,2 gange længere end brede og delvist løvfældende. Blomsten snæver klokkeformet og blommefarvet. Kronlober med skæl udvendigt. Vokser i skovkanter i NW Yunnan (Dulongjiang)og NØ Burma ved 3300-3500 m. (klarer -15°C).
Hans Eiberg
● R. cinnabarinum ssp. tamaense frø, Auduaine. Foto: Hans Eiberg
Nyere klassifikation i Taylor-Whall, Temperate Rhododendrons:
R. cinnabarinum ssp. cinnabarinum
R. cinnabarinum ssp. cinnabarinum
R. cinnabarinum ssp. concatenans
R. cinnabarinum ssp. tamaense
R. cinnabarinum ssp. xanthocodon
Flora of China
Rhododendron cinnabarinum J. D. Hooker, Rhododendr. Sikkim-Himalaya. 1: t. 8. 1849.
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.
Forests, open woodlands, forest margins, Rhododendron thickets, among shrubs, hillsides; 1900–4000 m. S Xizang, NW Yunnan [Bhutan, NE India, NE Myanmar, Nepal, Sikkim].