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Dinghushan | Family List | Ericaceae | Rhododendron

Rhododendron westlandii Hemsl.


Description from Flora of China

Rhododendron kaliense W. P. Fang & M. Y. He; R. linearicupulare P. C. Tam; R. moulmainense J. D. Hooker var. calcaratum G. Z. Li.

Erect shrubs or small trees, 3–5 m tall; branchlets stout, cylindric, pale gray-brown at maturity, red-brown when young, glabrous. Petioles stout, ca. 10 mm. Leaf blade thickly leathery, long-elliptic or subelliptic to oblong-lanceolate, 5–12(–21) × 2.5–5(–8) cm; base cuneate to rounded; apex acute or with a sickle-shaped acumen; both surfaces glabrous; lateral veins 14–18-paired, becoming conspicuous on both surfaces on drying. Inflorescence terminal, umbellate, 5–6-flowered; peduncle short and stout, ca. 5 mm, glabrous. Pedicel 1–1.5 cm, glabrous; calyx usually obscure, sometimes developed and then lobes membranous, linear, to 17 mm, pubescent, margin sparsely fimbriate-ciliate, apex obtuse or two-forked; corolla funnel-campanulate, white or pinkish to rose, with yellow flecks on upper part of inner surface of lobes, ca. 5 cm, tube ca. 15 mm; lobes obovate or ovate, ca. 3 cm; stamens 10, 3.5–4(–4.5) cm, filaments white-pubescent below middle; ovary tapering into style, ca. 8 mm, glabrous; style stout, slightly longer than stamens, glabrous. Capsule cylindric, sometimes with base curved through almost 90 degrees, 90–100 × ca. 5 mm. Fl. Apr–May, fr. Sep–Dec.

Gao Lianming (pers. comm.) notes that a wider circumscription of Rhododendron westlandii is used here than in FRPS (57(2): 355. 1994, where it was treated as a synonym of R. moulmainense). Recent herbarium studies indicate that the calyx characters that have been used to separate R. westlandii from R. kaliense and R. linearicupulare are very variable and cannot be reliably used to delimit species.

Dense forests, thickets, open areas by rivers, near rocks; 400–1500 m. Fujian, Guangdong, Guangxi, W Guizhou, Hainan, Jiangxi [N Vietnam].

生活型: 乔木, 灌木

栽培植物: 野生

特征: 灌木或小乔木; 枝叶无毛,叶厚革质,宽3--5厘米;花大,粉红 色

花期: 4--5

果期: 6--7

生境: 见于鸡笼山灌丛林中

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 双子叶植物纲

中文别名: 羊角花


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