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FOC | Family List | FOC Vol. 14 | Apiaceae | Rhododendron

482. Rhododendron hancockii Hemsley, Bull. Misc. Inform. Kew. 1895: 107. 1895.

滇南杜鹃 dian nan du juan

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.


1 Petiole glabrous; pedicel with a yellowish brown pubescence; leaf blade 2.5–5 cm wide; calyx lobes triangular-ovate to linear-lanceolate, to 9 mm.   482a var. hancockii
+ Petiole glandular-setose; pedicel glabrous; leaf blade 1.5–3 cm wide; calyx lobes linear, 5–13 mm.   482b var. longisepalum

Lower Taxa


 

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