Rhododendron idoneum
Billeder af Rhododendron idoneum
Beskrivelse
R. telmateium / R. idoneum (Lapponica). En opret voksende busk med små ovale blade, som er bredere end typeformen. Har en tydelig mucro (brod på bladspidsen).
Hans Eiberg
RBGE herbarium. R. telmateium
Kew’s Herbarium, dead link 2023
GBIF Herbarium
Flora of China, telmateium
R. telmateium I. B. Balfour & W. W. Smith, Notes Roy. Bot. Gard. Edinburgh. 9: 280. 1916.
Rhododendron diacritum I. B. Balfour & W. W. Smith; R. drumonium I. B. Balfour & Kingdon Ward; R. idoneum I. B. Balfour & W. W. Smith; R. pycnocladum I. B. Balfour & W. W. Smith.
Small densely branched, prostrate shrubs, usually forming cushions, (0.1–)1 m tall; branches scaly. Petiole 0.3–3 mm, scaly; leaf blade lanceolate, narrowly or broadly elliptic or orbicular, 0.3–1.2(–1.4) × 0.15–0.5(–0.65) cm; base cuneate; apex acute to rounded, strongly mucronate; abaxial surface golden fawn, pale orange, brown to reddish brown, scales overlapping, mostly pale gold to reddish brown, with few to many darker scales among them; adaxial surface dark green, scales overlapping, pale golden. Inflorescence 1- or 2(–3)-flowered. Pedicel 0.05–0.15(–0.2) cm, scaly; calyx reddish purple or green; lobes 0.5–2(–3) mm, triangular, ovate to rounded, usually unequal, scaly, margin scaly and long-ciliate; corolla broadly funnelform, lavender, rose pink to deep purplish blue, (0.6–)0.7–1.1(–1.4) cm, tube 2–4 mm, outer surface scaly, often also pubescent, throat pubescent; stamens (8–)10(–11), as long as corolla, filaments pubescent towards base; ovary 1.5–2.5(–3) mm, scaly; style 0.3–1.7 cm, rarely pubescent and scaly at base. Capsule ovoid to cylindric, 3–4 mm, densely scaly. Fl. May–Jul, fr. Aug–Oct.
Forest margins, Rhododendron thickets, rocky slopes, cliffs; (2700–)3200–3800(–5000) m. W Sichuan, C and N Yunnan.