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刺毛悬钩子Rubus multisetosus

时间:2013-11-07 12:43来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 刺毛悬钩子 学名( Scientific Name ): Rubus multisetosus Y et Lu 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Rubus polytrichus Franch. 科属( Family Genus ): 蔷薇科(R
中文名(Chinese Name):刺毛悬钩子
学名(Scientific Name):Rubus multisetosus Yü et Lu
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Rubus polytrichus Franch. 
科属(Family & Genus):蔷薇科(Rosaceae)悬钩子属
形态特征(Description):矮灌木,高达50厘米;枝匍匐生根;枝、叶柄、托叶、叶片下面、花梗和花萼均被黄褐色刺毛和绒毛,或混生腺毛。单叶,叶片心状卵形至近圆形,长3-6厘米,宽2.8-5.5厘米, 顶端急尖,基部心形,上面无毛及刺毛,下面密被黄白色绒毛,叶脉突出,沿叶脉具黄褐色. 刺毛,边缘3-5浅裂,有细锐重锯齿;叶柄长1.5-3厘米;托叶宿存、离生,卵状披针形或 长卵形,长达1.5厘米,宽4-7毫米,羽状浅条裂,下面及边缘具绒毛和刺毛,老时绒毛不 脱落。花1至数朵,腋生或成顶生短总状花序;花直径1-2厘米;花梗短;苞片和托叶相 似,但较小;萼片披针形,顶端长渐尖,外萼片常条裂,内外两面均密被绒毛,花时直立开展,果期包于果实外面;花瓣宽卵形至长圆形,白色,基部有短爪,外面疏生绒毛,稍短于萼片;雄蕊多数,花丝宽扁,短于花瓣;雌蕊多数,子房光滑无毛。果实近球形,无毛,由多数小核果组成,花柱宿存;核稍具皱纹。花期6-7月,果期8-9月。
分布(Distribution):产云南西北部。生海拔2500-3000米的山地林中或草地、路旁及山谷水沟边。
用途(Use):
引自中国植物志英文版:FOC Vol. 9 Page 278
Rubus multisetosus T. T. Yu & L. T. Lu, Fl. Reipubl. Popularis Sin. 37: 201. 1985.
刺毛悬钩子 ci mao xuan gou zi | Rosaceae  | Rubus
Rubus polytrichus Franchet (1890), not Progel (1882).
Shrubs low, to 50 cm tall, with creeping branches. Branchlets brown to grayish brown, terete, tomentose, yellowish brown bristly or with intermixed stipitate glands. Leaves simple; petiole 1.5–3 cm, tomentose, bristly, or stipitate glandular; stipules persistent, free, ovate-lanceolate or narrowly ovate, 1–1.6 cm × 5–9 mm, abaxially tomentose, bristly, shallowly pinnate-laciniate; blade ovate to suborbicular, 3–6 × 3–5.5 cm, veins raised abaxially, abaxially densely yellowish white tomentose, yellowish brown bristly along veins, adaxially glabrous, base cordate, margin 3–5-lobed, sharply doubly serrulate, apex acute. Inflorescences terminal, short subracemes, 3–5 cm, several flowered, or flowers solitary in leaf axils; bracts ovate-lanceolate or narrowly ovate, 0.8–1.5 cm × 4–8 mm, tomentose when young, bristly, laciniate. Pedicel 5–10 mm. Flowers 1–2 cm in diam. Calyx abaxially tomentose, bristly or stipitate glandular; sepals erect at anthesis, later enclosing fruit, lanceolate, 0.9–1.4 cm × 3.5–6 mm, apex acuminate, outer sepals usually laciniate apically, inner sepals entire. Petals white, broadly ovate to oblong, 7–11 × 5–8 mm, abaxially sparsely tomentose, base shortly clawed. Stamens many, shorter than petals; filaments broad, complanate. Pistils slightly shorter than or nearly as long as stamens; ovary glabrous. Aggregate fruit subglobose, glabrous, with many drupelets and persistent styles; pyrenes slightly rugose. Fl. Jun–Jul, fr. Aug–Sep.
Montane forests and valleys, grasslands, roadsides, near water courses; 2200--3000 m. NW Yunnan.
 


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