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短花杜鹃 duanhuadujuan

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 brachyanthum Franch.
中文名
短花杜鹃
拼音
duanhuadujuan
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描述 Description
常绿灌木,高约1米;去年生枝有细鳞片,向顶部疏生叶,新生幼枝有较密的黄色鳞片。叶坚革质,椭圆形,长2-4厘米,宽1-2厘米,上面绿色,有不明显的腺状鳞片,下面为明显的灰白色,有疏鳞片,中脉下面强度隆起,不为灰白色,侧脉不甚明显;叶柄长4-5毫米,有鳞片。顶生伞形花序有花3-4朵;花梗直立,长约2厘米,有鳞片;花萼大,叶状,5深裂,向基部外面有鳞片,裂片长约8毫米,背面略有鳞片;花冠淡黄色,花冠筒宽钟状,长1厘米,5裂,裂片宽卵形,长6毫米;雄蕊10,花丝下部有密毛,子房密生绿鳞片,花柱短而粗,无毛。蒴果长6毫米,包于花萼内。 产云南西部(大理)。生海拔2800米的松林中。
中国高等植物图鉴

139. 短花杜鹃(中国高等植物图鉴)

Rhododendron brachyanthum Franch. in Bull. Soc. Bot. France, 33: 234. 1886; Hutch. in Curtis's Bot. Mag. 144: t. 8750. 1918; Gard. Chron. 70: 7. 1921; Millais, Rhodod. ser. 2, 168 and fig. 1924. ; Hutch. in Stevenson, Spec. Rhodod. 295. 1930; 中国高等植物图鉴3: 25. 图4003. 1974; Cullen in Not. Bot. Gard. Edinb. 39: 144. 1980; Davidian, Rhodod. Spec. 1: 141. 1982;云南植物志4: 522. 图版146, 4-7. 1986.

知识共享:署名-非商业性使用-禁止演绎 1999《中国植物志》第57(1)卷 157页 PDF

Shrubs, evergreen, 0.3–1.5(–2) m tall; bark smooth, brown, flaking. Petiole 4–10 mm, scaly; leaf blade leathery, aromatic, oblong-lanceolate or oblong-elliptic to narrowly obovate, 2–6.5 × 1–2.6 cm; base obtuse or tapering; apex obtuse or acute, mucronate; abaxial surface glaucous, scales sparse, (1–) 2–10 × their own diameter apart, unequal, the smaller pale yellow, the larger brown, widely separated; adaxial surface green, shiny, usually sparsely scaly. Inflorescence 3–10-flowered. Pedicel slender, 1.5–4 cm, scaly; calyx lobes 3–8 mm, rounded, ovate or broadly elliptic, persisting to enclose mature capsule, scaly; corolla campanulate, pale or greenish yellow, 1–1.5(–2) cm, tube 6–11 mm; outer surface usually sparsely scaly; stamens 10, nearly as long as corolla, filaments pubescent in lower 1/2 or nearly to apex; ovary scaly; style stout, usually sharply deflexed, short. Capsule cylindric-ovate, 4–8 mm, scaly. Fl. Apr–Jul, fr. Jul–Sep.

Open places in forests, thickets, scrub, rocky places; 3000–3700 (–4000) m. SE Xizang, C and W Yunnan [NE Myanmar].

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