栏目

峨眉悬钩子Rubus faberi Focke

峨眉悬钩子Rubus faberi Focke

别名:

科名:蔷薇科 Rosaceae

属名:悬钩子属 Rubus

《中国植物志》第37卷168页
  132.峨眉悬钩子
  Rubus faberi Focke, Bbl. Bot. 72(1): 53, 1909.
  灌木;小枝圆柱形,褐色或紫褐色,密被绒毛状柔毛,常无刺。单叶,革质,宽卵形,稀近圆形,长10-18厘米,宽8-17厘米,顶端急尖,基部心形,上面粗糙,无毛,下面密被浅黄色绒毛,沿叶脉具柔毛,基部具掌状5出脉,侧脉3-4对,边缘7-11裂,裂片三角形,顶端急尖,有不整齐尖锐锯齿;叶柄长4-9厘米,被绒毛状柔毛,无刺;托叶离生,早落。花成圆锥花序,顶生或腋生,腋生花序较狭小;总花梗和花梗均密被浅黄色绒毛状柔毛;花梗长约1厘米;苞片长倒卵形,具绒毛状柔毛,上半部掌状深裂,裂片披针形,早落;花直径1-1.5厘米;花萼外密被浅黄色绒毛和柔毛;萼片宽卵形,顶端急尖,外萼片边缘常羽状条裂,裂片线形,花后直立;花瓣长倒卵形,白色,基部具爪,无毛,稍长或几与萼片近等长;雄.蕊多数,花丝近基部较宽大,无毛;雌蕊无毛。果实近球形,直径8-12毫米,红色,无毛,包藏在宿萼内;核具明显细皱纹。花期6-7月,果期8-9月。
  产四川。生低海拔至中海拔的山地。
  此种和川莓R. setchuenensis Bureau et Franch.近缘,但区别在于后者叶片非革质,顶端圆钝或近截形,边缘5-7浅裂,裂片顶端圆钝;萼片披针形,顶端尾尖;花紫红色;果黑色。
形态特征:灌木;小枝圆柱形,褐色或紫褐色 ,密被绒毛状柔毛,常无刺 .单叶,革质,宽卵形, 稀 近圆形 ,长10—18厘米,宽8-17厘米,顶端急尖,基部心形,上面粗糙;无毛,下面密被浅黄色绒毛,沿叶脉具柔毛,基部具掌状5出脉,侧脉·3-4;对,·边缘7-11 裂;裂片三角形,顶端急尖,有不整齐尖锐锯齿;叶柄长 4—9·厘米,被绒毛状柔毛,无刺;托叶离生;早落。 花成圆锥花序;顶生或腋生,腋生花序较狭小;总花梗和花梗均密被浅黄色绒毛状柔毛;花梗长约1厘米;苞片长倒卵形,具绒毛状柔毛,上半部掌状深裂,·裂片披针形;早落;花直径1—1.5厘米;花萼外密被浅黄色绒毛和柔毛;萼片宽卵形,顶端急尖,外萼片边缘常羽状条裂,裂片线形,花后直立;花瓣长倒卵形,白色,基部具爪,无毛,稍长或几与萼片近等长;雄蕊多数,花丝近基部较宽大,无毛;雌蕊无毛。果实近球形,直径8—12毫米,红色,无毛,包藏在宿萼内;核具明显细皱纹.花期6一了月,果期8—9月。
产地分布:产四川。 生低海拔至中海拔的山地。
本种提示:此种和川莓R.setchuenensis Bureau et Franch.近缘,但区别在于后者叶片非革质,顶端圆钝或近截形,边缘5一7浅裂,裂片顶端圆钝;萼片披针形,顶端尾尖;花紫红色;果黑色。
参考文献:Rubus faberi Focke. Bibl. Bot 72(1):53 1909.
亚组概述:Subsect.Moluccani(Focke) Yu et Lu,植物分类学报20(4): 456.1982;,- Sect.Moluccami Focke,BiN.Pot.72(1):71.1910 et 83:28.1914.P.P.

《Flora of China》 Vol. 9 (2003)
Rubus faberi  Focke
峨眉悬钩子   e mei xuan gou zi
Shrubs. Branchlets brown to purplish brown, terete, densely tomentose-villous, usually unarmed. Leaves simple; petiole 4–9 cm, tomentose, unarmed or with few small prickles; stipules caducous, free; blade broadly ovate, rarely suborbicular, 10–18 × 8–17 cm, palmately 5-veined, lateral veins 3 or 4 pairs, prominent abaxially, leathery, abaxially densely yellowish tomentose, soft hairy along veins, adaxially scabrous, glabrous, base cordate, margin 7–11-lobed; lobes triangular, margin irregularly sharply serrate, apex acute. Inflorescences terminal and axillary, cymose panicles, axillary ones smaller; rachis and pedicels densely yellowish tomentose-villous; bracts caducous, narrowly obovate, tomentose-villous, palmatipartite above middle, lobes lanceolate. Pedicel ca. 1 cm. Flowers 1–1.5 cm in diam. Calyx abaxially densely yellowish tomentose and soft hairy; sepals erect after anthesis, broadly ovate, apex acute, margins of outer sepals often pinnately laciniate; lobes linear. Petals white, narrowly obovate, slightly longer than or nearly as long as sepals, glabrous, base clawed. Stamens many; filaments broader toward base, glabrous. Pistils glabrous. Aggregate fruit red, subglobose, 0.8–1.2 cm in diam., glabrous, enclosed in persistent calyx; pyrenes conspicuously rugulose. Fl. Jun–Jul, fr. Aug–Sep.
Mountains. Low to medium elevations. W Sichuan.

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