Rhododendron ludlowii
Billeder af Rhododendron ludlowii
Beskrivelse
R. ludlowii (Uniflora). Buske op til 25 cm i højden. Blomsterne kommer frem i maj og er gule med rødligt-brune pletter. Blomsterne er store i forhold til bladene. Sjældne og vanskelige at opformere. Kendes kun fra den oprindelige indsamling. Vildtvoksende på stenede bjergskråninger og mos-dækket jord ved 4000 m. i S-Tibet.
Hans Eiberg
ARS
RBGE Herbarium; R. ludlowii
Flora of China
R. ludlowii Cowan, Notes Roy. Bot. Gard. Edinburgh. 19: 243. 1937.
Dwarf shrubs, often prostrate, evergreen, ca. 0.3 m tall. Petiole 1–2 mm, scaly; leaf blade leathery, obovate or obovate-elliptic, 0.9–1.7 × 0.5–1 cm; base rounded; margin crenulate-undulate; apex rounded, mucronulate; abaxial surface pale green, scales 2–3 × their own diameter apart, large, brown; adaxial surface dark green, scaly. Inflorescence 1- or 2-flowered. Pedicel 1.5–2.5 cm, densely scaly; calyx deeply 5-lobed; lobes 5–7 mm, broadly ovate, persisting to enclose mature capsule, densely scaly, margin ciliate; corolla broadly campanulate, yellow with reddish brown spots inside tube, 1.5–3 × ca. 4 cm, tube ca. 14 mm, outer surface densely pubescent and scaly; stamens 10, shorter than corolla, filaments densely pubescent towards base; ovary ovoid, densely scaly; style slender, straight, longer than stamens, shorter than corolla, glabrous. Capsule rounded, 4–5 mm, scaly. Fl. Apr–Jun, fr. Jul–Oct.
Rocky hillsides; 3900–4200 m. S Xizang [NE India].