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354. Rhododendron faberi Hemsley, J. Linn. Soc., Bot. 26: 22. 1889 [“faberii”].
金顶杜鹃 jin ding du juan
Shrubs, 1–2.5 m tall; young shoots densely gray-brown pubescent. Petiole 15–25 mm, densely gray-pubescent; leaf blade leathery sometimes thickly so, ovate-oblong to elliptic, 7–17 × 2.5–7 cm; base broadly cuneate or subrounded; apex acute or with small and slightly curved sharp point; abaxial surface with indumentum 2-layered, upper layer thick, rufous and ± deciduous when mature, or thin and brownish, lower layer very thin, gray-white and persistent; adaxial surface light green, slightly rugulose, glabrous. Inflorescence racemose-umbellate, 6–20-flowered; rachis ca. 5 mm. Pedicel 1.5–2 cm, densely grayish yellow-tomentose and glandular-hairy; calyx leaflike, 5-cleft, 8–12 mm, lobes glandular-hairy and pubescent near base outside, margin glandular-ciliate; corolla 4–5 cm; stamens 10, shorter than corolla; filaments pubescent at base; ovary ca. 7 mm, densely red-brown glandular-setose or with hairs and glandular hairs; style ca. 2.8 cm, glabrous, rarely with a few glandular hairs at base. Capsule cylindric, 10–25 × 5–8 mm, calyx and style persistent. Fl. May–Jun, fr. Aug–Oct.
Abies forests, coniferous forest margins, thickets, rocky mountain slopes; 2800–4000 m. W Sichuan.
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Leaf blade abaxially with upper layer of indumentum thick, red-brown to tawny; inflorescence 6–10-flowered; ovary densely setose-glandular; capsule
10–15 mm. |
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354a subsp. faberi |
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Leaf blade abaxially with upper layer of indumentum thin, gray-brown to fawn; inflorescence 12–20-flowered; ovary hairy and glandular; capsule to 25 mm. |
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354b subsp. prattii |
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Lower Taxa
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