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黄杯杜鹃 huangbeidujuan

被子植物门 Angiospermae
双子叶植物纲 Dicotyledoneae
合瓣花亚纲 Sympetalae
杜鹃花目 Ericales
杜鹃花科 Ericaceae
杜鹃属 Rhododendron
相关名称 Common Names
拉丁名
Rhododendron wardii W. W. Smith
中文名
黄杯杜鹃
拼音
huangbeidujuan
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描述 Description
常落灌木,高4-7米;幼枝有腺体,后变光滑。叶革质,矩圆状椭圆形至卵状椭圆形,长5-10厘米,宽2-5厘米,顶端圆钝,有细凸尖头,基部心形、截形或圆形,两面都无毛,下面淡灰白色;叶柄长1.5-3厘米,后变光滑。顶生总状伞形花序有花7-14朵,总轴长1-1.5厘米,有绒毛和腺体;花梗长2.5-4厘米,多少有腺体;花萼大,长6-12毫米,多少有腺体,裂片不等大,边缘有腺体;花冠杯状,长3.5-4厘米,鲜黄色(略带微绿),裂片5,有缺刻;雄蕊10,花丝无毛;子房有腺体,花柱通体有腺体。蒴果长达2.5厘米,粗达7毫米,微弯,有腺头毛,下部包于宿存花萼内。 分布于云南、西藏东南部。生海拔4000米的灌丛中。
中国高等植物图鉴

54.黄杯杜鹃(中国高等植物图鉴)

Rhododendron wardii W. W. Smith in Not. Bot. Gard. Edinb. 8: 205. 1914; Tagg in Stevenson, Spec. Rhodod. 733. 1930; Hunt in Curtis's Bot. Mag. n. ser. 178: t. 587. 1971; 中国高等植物图鉴3: 111. 图4176. 1974; Cullen et Chamb. in Not. Bot. Gard. Edinb. 36: 116. 1978; Chamb. in Not. Bot. Gard. Edinb. 39: 265. 1982; 云南植物志4: 404. 1986.——R. mussoti Franch. nom. nud.——R. croceum Balf. f. et W. W. Smith in Not. Bot. Gard. Edinb. 10: 93. 1917.——R. astrocalyx Balf. f. et Forrest in Not. Bot. Gard. Edinb. 13: 30. 1920. ——R. prasinocalyx Balf. f. et Forrest in ibid. 13: 57. 1920.——R. oresterum Balf. f. et Forrest in ibid. 13: 56. 1920.——R. litiense Balf. f. et Forrest in ibid. 12: 126. 1920.——R. gloeoblastum Balf. f. et Forrest in ibid. 13: 200. 1922.

知识共享:署名-非商业性使用-禁止演绎 1994《中国植物志》第57(2)卷 074页 PDF

Shrubs ca. 3 m tall; old branches grayish white, bark sometimes flaking; young shoots greenish, glabrous. Petiole slender, furrowed above, 20–30 mm, glabrous; leaf blade leathery, narrowly ovate to oblong-elliptic or broadly ovate-elliptic, 5–8 × 3–4.5 cm; base subcordate; apex obtuse, apiculate; abaxial surface greenish or grayish green; adaxial surface deep green, midrib raised abaxially, flat or slightly concave adaxially; lateral veins 9–13-paired, inconspicuous on both surfaces. Inflorescence racemose-umbellate, 5–8(–14)-flowered; rachis 5–15 mm, with short glandular hairs. Pedicel 2–4 cm, usually sparsely glandular; calyx membranous, lobes 5, 5–8(–12) × 3–5 mm, unequal, ovate or ovate-elliptic, margin densely glandular; corolla cup-shaped, bright yellow or pure white, 3–4 × 4–5 cm; lobes 5, suborbicular, ca. 1.5 cm, apex emarginate; stamens 10, unequal, 1–1.8 cm, filaments glabrous; anthers ovate, yellow, ca. 2 mm; ovary cone-shaped, ca. 5 mm, densely glandular; style 1.5–2 cm, usually glandular, stigma capitate. Capsule cylindric, slightly curved, 20–25 × ca. 7 mm, glandular-hairy, calyx usually persistent, leaflike at maturity. Fl. Jun–Jul, fr. Aug–Sep.

Abies forests, Picea forests, scrub, meadows, mountain slopes, open places; 3000–4600 m. SW Sichuan, SE Xizang, NW Yunnan.

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