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窄叶杜鹃 zhaiyedujuan

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 araiophyllum Balf. f. et W. W. Smith
中文名
窄叶杜鹃
拼音
zhaiyedujuan
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97.窄叶杜鹃(云南植物研究)

Rhododendron araiophyllum Balf. f. et W. W. Smith in Trans. Bot. Soc. Edinb. 27: 184. 1917; Tagg in Stevenson, Spec. Rhodod. 338. 1930; Cullen et Chamb. in Not. Bot. Gard. Edinb. 36: 117. 1978; Chamb. in Not. Bot. Gard. Edinb. 39: 294. 1982; 云南植物志4: 376. 图版100:5-9. 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 133页 PDF

Shrubs, 2–7 m tall, older branches glabrous; branchlets slender; young shoots glabrescent. Petiole cylindric, ca. 10 mm, glabrescent; leaf blade subleathery, elliptic-lanceolate or narrowly lanceolate, broadest above middle of blade, 5–11 × 1.3–3 cm; base cuneate; margin undulate; apex acuminate or cuspidate; abaxial surface glabrous except sometimes for densely woolly midrib; adaxial surface glabrous, midrib conspicuously raised abaxially, grooved adaxially; lateral nerves 15–16-paired, obscure. Inflorescence racemose-umbellate, 5–10-flowered; rachis slender, 10–15 mm, woolly. Pedicel 1–1.5 cm, sparsely woolly; calyx lobes 5, 1–2 mm, rounded, glabrous to sparsely ciliate; corolla open-campanulate, fleshy, milky white to rose, with basal blotch, sometimes with purple flecks, 2.5–3.5 cm; lobes 5(or 6), suborbicular, ca. 1.3 × 1.5 cm, emarginate; stamens 10–12, 1.4–2.8 cm, filaments slender, pubescent at base; ovary conoid-cylindric, 5–6 × ca. 2.5 mm, 5- or 6-locular, pubescent at base; style glabrous, stigma slightly swollen. Capsule oblong-cylindric, 10–15 × ca. 4 mm, glabrous. Fl. Apr–May, fr. Oct–Nov.

Pinus forest margins, thickets; 1900–3400 m. NE and W Yunnan [NE Myanmar].

知识共享:署名-非商业性使用-禁止演绎 FOC Vol.14PDF
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