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碎米花杜鹃Rhododendron spiciferum

时间:2018-06-26 11:19来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 碎米花杜鹃 学名( Scientific Name ): Rhododendron spiciferum Franch. 英文名( English Common Name ): 别名( Chinese Common Name ): 碎米花、毛叶杜鹃 异名( Synonym ): Rhododendron scabrifolium var. spicife
中文名(Chinese Name):碎米花杜鹃
学名(Scientific Name):Rhododendron spiciferum Franch.
英文名(English Common Name):
别名(Chinese Common Name):碎米花、毛叶杜鹃
异名(Synonym):Rhododendron scabrifolium var. spiciferum (Franch) Cullen
科属(Family & Genus):杜鹃花科(Ericaceae)杜鹃属
形态特征(Description):小灌木,高0.2-0.6(-2)米,多分枝,枝条细瘦。幼枝密被灰白色短柔毛和伸展的长硬长,以后渐脱落。叶散生枝上,叶片坚纸质,狭长圆形或长圆状披针形,长1.2-4厘米,宽0.4-1.2厘米,顶端钝圆或锐尖,有短尖头,基部楔形或略钝,边缘反卷,上面深绿色,密被短柔毛和长硬毛,下面黄绿色,密被灰白色短柔毛,沿脉毛较长,密被黄色腺鳞,中脉在叶面下陷,在背面隆起,侧脉在上面略下陷或近于平坦,在背面略显;叶柄长1-3毫米,被与幼枝相同的毛。花芽数个,生枝顶叶腋,芽鳞外被灰白色绢毛并密生鳞片,边缘密被短纤毛,花开时仍不落;花序短总状,有花3-4朵;花梗长4-7毫米,密被短柔毛和鳞片,有时疏生长硬毛;花萼5裂,裂片卵形,长圆状卵形,长0.5-2毫米,外面密被灰白色短柔毛,疏生鳞片,边缘密生睫毛状粗毛;花冠漏斗状,长1.3-1.6厘米,粉红色,外面疏生腺鳞,于中部以上5裂,花冠管长于裂片;雄蕊10,不等长,长者近于与花冠等长,花丝下部被短柔毛;子房5室,密被灰白色短柔毛及鳞片;花柱细长,伸出花冠外,下部或近基部被柔毛或无毛。蒴果长圆形,长0.6-1厘米,被毛和鳞片。花期2-5月。
分布(Distribution):产贵州、云南。生于海拔800-1200米山坡灌丛、松林或次生林缘。
用途(Use):
引自中国植物志英文版FOC Vol. 14 Page 324
 Rhododendron spiciferum Franchet, J. Bot. (Morot). 9: 400. 1895.
碎米花 sui mi hua  | Apiaceae  | Rhododendron
Small multi-branched shrubs, 0.2–0.6(–2) m tall; old branches less hairy, shoots thin; young shoots densely gray-white-pubescent and spreading-hispid. Petiole 1–3 mm, pubescent; leaf blade toughly papery, narrowly oblong or oblong-lanceolate, 1.2–4 × 0.4–1.2 cm; base cuneate or obtuse; margin revolute; apex rounded or acute, apiculate; abaxial surface yellowish green, densely yellow scaly, densely gray-white-pubescent, hairs longer along veins; adaxial surface deep green, densely pubescent and long-hispid; midrib raised abaxially, concave adaxially; lateral veins slightly concave or flat above and slightly raised below. Inflorescence subterminal, shortly racemose, 1–4-flowered; bud scales several, densely gray-white-villous and densely scaly. Pedicel 0.4–0.7 cm, sparsely or densely scaly, pubescent and sometimes sparsely long-hispid; calyx lobes 5, 0.5–2 mm, ovate or oblong-ovate, sparsely abaxially scaly, sparsely or densely gray-white-pubescent, margin ciliate; corolla funnelform, 5-lobed to below middle, pink or rarely white, 1.3–1.6 cm, tube longer than lobes; outer surface glandular-scaly; stamens 10, unequal, long ones nearly as long as corolla, filaments pubescent below; ovary 5-locular, densely gray-white-pubescent and scaly; style slender, exserted from corolla, pubescent below or glabrous. Capsule cylindric, 6–10 mm, scaly, pubescent. Fl. Feb–May.
Coniferous forests, forest margins, thickets on slopes; 800–1900 m. W Guizhou, C and SE Yunnan.









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