Rhododendron hancockii
Billeder af Rhododendron hancockii
Beskrivelse
R. hancockii (Choniastrum). Stedsegrøn busk eller lille træ op til 4,5 m. Bladene er 8-13,5 cm lange (L:B= 3:1) glatte. Blomster sidder 1-2 sammen og er bred tragtformede hvide med gul blotch og 5-7 cm lange. Duftende og blomstrer i November-Juni. 10 støvdragere. Frugtknuden kraftigt håret. Vildtvoksende i S-Yunnan og Guangxi fra 1-2000 m. Ikke hårdfør i Danmark.
Hans Eiberg
ARS
Kew’s Herbarium
Not in D. Biobank
Flora of China
R. hancockii Hemsley, Bull. Misc. Inform. Kew. 1895: 107. 1895.
Shrubs or trees, 2–7(–13) m tall; branchlets stout, gray-brown, glabrous. Petiole 6–8 mm, glabrous or glandular-setose; leaf blade obovate or oblong-oblanceolate, 7–13 × 1.5–5 cm, tapering toward the base; margin slightly revolute; sometimes obscurely setose-ciliate; apex shortly acuminate; both surfaces glabrous; lateral veins obsolete abaxially, conspicuously impressed adaxially. Inflorescence subapical, 1(or 2)-flowered. Pedicel ca. 1.5 cm, glabrous or yellowish brown pubescent; calyx lobes polymorphic, lobes triangular or triangular-ovate to linear-lanceolate, or linear, 5–13 mm, pubescent at base on outer surface; corolla broadly funnelform, white, with yellowish flecks, 4.5–6 × ca. 8 cm; tube cylindric, ca. 15 mm, lobes broadly obovate or ovate-elliptic, glabrous or puberulent on upper part near margin within; stamens 10, unequal, shorter than corolla, filaments flat, pubescent below middle; ovary narrowly cylindric, ca. 6 mm, densely yellowish brown pubescent; style 4.5–5 cm, slightly longer than stamens, glabrous. Capsule cylindric, ribbed, apex slightly beaked and pubescent, 30–55 × ca. 7 mm. Fl. Apr–May, fr. Aug–Dec.
Mixed forests, thickets on mountain slopes; 1100–2000 m. C, N, and W Guangxi, C and SE Yunnan.