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桃叶杜鹃 taoyedujuan

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 annae Franch.
中文名
桃叶杜鹃
拼音
taoyedujuan
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描述 Description
常绿灌术,高1.5-2米;幼枝稍有丛卷毛和多少有腺体。叶坚革质,狭长披针形,长7-11厘米,宽1.5-3厘米,顶端锐尖或短渐尖,基部楔形,成长后上面无毛,下面淡绿色,成长后也无毛,有疏微点,侧脉略隆起;叶柄长1-1.4厘米。顶生总状花序约有花10朵,总轴长约2.5厘米,有密腺体和疏丛卷毛;花萼小,有密腺体,边缘有波状裂片和腺状睫毛;花冠宽钟状,长约2.5厘米,乳白色带蔷薇色并有紫色点,5裂深达1/2,裂片长1-1.5厘米,有缺刻;雄蕊10,花丝无毛;子房有密腺体,花柱全部有密腺体。 分布于贵州、云南。生海拔1400米的林中。
中国高等植物图鉴

99.桃叶杜鹃(中国高等植物图鉴)

Rhododendron annae Franch. in Morot Journ. de Bot. 12: 258. 1898: Tagg in Stevenson, Spec. Rhodod. 336. 1930; Fang in Contr. Boil. Lab. Sci. Soc. China Bot. 12: 258. 1939; 中国高等植物图鉴 3. 115. 图4184. 1974; Cullen et Chamb. Not. Bot. Gard. Edinb. 36: 117. 1978; Chamb. in Not. Bot. Gard. Edimb. 39: 293. 1982, pro parte;云南植物志4: 370. 1986.

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 134页 PDF

Shrubs, evergreen, 1.5–2 m tall; older branches glabrous; young shoots stout, puberulent, sparsely glandular. Petiole cylindric, 10–20 mm, glabrous; leaf blade leathery, lanceolate or elliptic-lanceolate, 7–10 × 2–3.7 cm; base cuneate; margin slightly undulate; apex acuminate or obtuse; both surfaces glabrous; midrib slightly raised abaxially, deeply grooved adaxialy; lateral veins 12–16-paired, obscure. Inflorescence raceose-umbellate, 6–12-flowered, rachis usually glabrous. Pedicel 1–3 cm, densely stipitate; calyx lobes 5, 1–2 mm, suborbicular, gland-fringed; corolla open-campanulate or cup-shaped, creamy-white or pale rose, pure white or pink, with or without purple flecks, 2–3 cm, lacking nectar pouches; lobes 5, orbicular, 1.5–1.7 cm, emarginate; stamens 10, unequal, 1–2 cm, filaments glabrous; ovary conoid, 4–5 mm, densely glandular; style ca. 2 cm, glandular-hairy to tip. Capsule cylindric, 15–25 × 8–12 mm, glandular. Fl. Jun–Jul, fr. Aug–Oct.

Evergreen broad-leaved forests, forest margins, thickets; 1200–3000 m. C and W Guizhou, W Yunnan.

知识共享:署名-非商业性使用-禁止演绎 FOC Vol.14PDF
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