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柳叶栒子Cotoneaster salicifolius

时间:2013-11-06 13:48来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 柳叶栒子 学名( Scientific Name ): Cotoneaster salicifolius Franch. 英文名( English Common Name ): cotoneaster 别名( Chinese Common Name ): 山米麻、木帚子 异名( Synonym ): Cotoneaster floccosus (Rehder
中文名(Chinese Name):柳叶栒子
学名(Scientific Name):Cotoneaster salicifolius Franch.
英文名(English Common Name):cotoneaster
别名(Chinese Common Name):山米麻、木帚子
异名(Synonym):Cotoneaster floccosus (Rehder et E. H. Wilson) Flinck et Hylmo  Cotoneaster salicifolius var. floccosus Rehder et E. H. Wilson
科属(Family & Genus):蔷薇科(Rosaceae)栒子属
形态特征(Description):半常绿或常绿灌木,高达5米;枝条开张,小枝灰褐色,一年生枝红褐色,嫩时被绒毛,老时脱落。叶片椭圆长圆形至卵状披针形,长4-8.5厘米,宽1.5-2.5厘米,先端急尖或渐尖,基部楔形,全缘,上面无毛,侧脉12-16对下陷,具浅皱纹,下面被灰白色绒毛及白霜,叶脉显明突起;叶柄粗壮,长4-5毫米,具绒毛,通常红色。花多而密生成复聚伞花序,总花梗和花梗密被灰白色绒毛,长3-5厘米;苞片细小,线形,微具柔毛,早落;花梗长2-4毫米;花直径5-6毫米;萼筒钟状,外面密生灰白色绒毛,内面无毛;萼片三角形,先端短渐尖,外面密被灰白色绒毛,内面无毛或仅先端有少许柔毛;花瓣平展,卵形或近圆形,直径约3-4毫米,先端圆钝,基部有短爪,白色;雄蕊20,稍长于花瓣或与花瓣近等长,花药紫色;花柱2-3,离生,比雄蕊稍短;子房顶端具柔毛。果实近球形,直径5-7毫米,深红色,小核2-3。花期6月,果期9-10月。
分布(Distribution):产湖北、湖南、四川、贵州、云南,生于海拔1800-3000米山地或沟边杂木林中。
用途(Use):
引自中国植物志英文版:FOC Vol. 9 Page 89      
Cotoneaster salicifolius Franchet, Nouv. Arch. Mus. Hist. Nat., sér. 2. 8: 225. 1885.
柳叶栒子 liu ye xun zi| Rosaceae  | Cotoneaster
Shrubs evergreen, rarely semievergreen, to 5 m tall, with spreading to erect branches. Branchlets reddish brown to grayish brown, initially densely tomentose, glabrescent. Petiole often red, robust, 4–5 mm, tomentose; stipules caducous, brown, linear or linear-lanceolate, 4–7 mm, membranous, tomentulose; leaf blade elliptic-oblong to ovate-lanceolate or linear-lanceolate, 4–8.5 × 1.5–2.5 cm, lateral veins 12–16 pairs, prominently raised abaxially and impressed adaxially, abaxially gray tomentose, with bloom, adaxially glabrous or pilose, rugose, base cuneate, margin entire, revolute or not, apex acute or acuminate. Compound corymbs 3.5–6 × 3–4 cm, many flowered; rachis and pedicels densely gray tomentose; bracts caducous, linear, 3–5 mm, tomentulose. Pedicel 2–4 mm. Flowers 5–6 mm in diam. Hypanthium campanulate, abaxially gray tomentose. Sepals triangular, 1.5–2.5 mm, apex acute to shortly acuminate. Petals spreading, white, ovate or suborbicular, 2.5–4 × 3–4 mm, glabrous, base shortly clawed, apex obtuse. Stamens 20, slightly longer than or nearly as long as petals; anthers purple. Ovary pilose apically; styles 2 or 3, free, somewhat not exceeding stamens. Fruit scarlet, subglobose, obovoid, or ovoid, 3–7 mm in diam., pyrenes 2 or 3. Fl. Jun, fr. Oct. 2n = 34*.
Mountain regions, mixed forests, slopes, open places; 400--3000 m. Guizhou, Hubei, Hunan, Sichuan, Yunnan.
 


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