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黄毛悬钩子Rubus fusco-rubens Focke

黄毛悬钩子Rubus fusco-rubens Focke

别名:

科名:蔷薇科 Rosaceae

属名:悬钩子属 Rubus

《中国植物志》第37卷282页
  111.黄毛悬钩子
  Rubus fusco-rubens Focke in Sarg. Pl. Wils. 1: 50. 1911.
  灌木;小枝有绒毛状柔毛,逐渐脱落,疏生微弯皮刺。叶片长卵形,厚纸质,长7-10厘米,宽4-6.5厘米,顶端渐尖,基部心形,上面沿叶脉具疏柔毛,下面密被灰色绒毛,侧脉4-5对,基部有5出掌状脉,边缘有浅裂片,有不整齐具尖头的细锯齿;叶柄通常长2-4 厘米,幼时有长柔毛,老时逐渐脱落,疏生下弯小皮刺;托叶离生,脱落,分裂至基部,裂片线形,有长柔毛。圆锥花序通常顶生;总花梗和花梗具浅黄色绢状长柔毛;花梗长3-6毫米,疏生细腺毛;苞片与托叶相似;花直径约1厘米;花萼外密被带黄色绢状柔毛,有时混生稀疏细腺毛;萼片卵形,顶端长渐尖,全缘,里面褐红色,边缘有细柔毛;花瓣很小或无;雄蕊多数,花丝线形,短于萼片;雌蕊数在20以下,无毛。果实近球形,黑色。花期5-6月,果期7-8月。
  产湖北。生海拔400-1200米的山地。
形态特征:灌木;小枝有绒毛状柔毛,逐渐脱落,疏生微弯皮刺。叶片长卵形,厚纸质,长7一10厘米,宽4—6.5厘米;顶端渐尖,基部心形,上面沿叶脉具疏柔毛,下面密被灰色绒毛,侧脉4—5对,基部有5出掌状脉,边缘有浅裂片,有不整齐具尖头的细锯齿;叶柄通常长2-4斗 厘米,幼时有长柔毛,老时逐渐脱落,疏生下弯小皮刺;托叶离生,脱落,分裂至基部,裂片线形,有长柔毛。圆锥花序通常顶生;总花梗和花梗具浅黄色绢状长柔毛;花梗长3—6毫米,疏生细腺毛;苞片与托叶相似;花直径约1厘米;花萼外密被带黄色绢状柔毛,有时混生稀疏细腺毛;萼片卵形,顶端长渐尖,全缘,里面褐红色,边缘有细柔毛;花瓣很小或无;雄蕊多数,花丝线形,短于萼片;雌蕊数在20以下,无毛。果实近球形,黑色。 花期5- 6月,果期7一8月。
产地分布:产湖北。生海拔400—1200米的山地。
参考文献:Rubus fuseo-rubens Focke in Sarg·P1·;Wils.1:50.1911.
亚组概述:Subsect.Elongati (Focke) Yu et Lu,植物分类学报20(4):454.1982.--Sect.Moluccani Focke,Bibl.Bot.72(1):71.1910 et 83:28.1914.p.p.--Sect.Elongati Focke,1.c.72(1):49.1910 et 83:24.1914.p.p.

《Flora of China》 Vol. 9 (2003)
Rubus fuscorubens  Focke
黄毛悬钩子   huang mao xuan gou zi
Shrubs deciduous. Branchlets brownish to dark brown, tomentose-villous, gradually glabrescent, with sparse, slightly curved prickles. Leaves simple; petiole 2–4 cm, villous when young, glabrate in age, with sparse, curved small prickles; stipules caducous, free, 5–9 mm, deeply divided to base, lobes linear, villous; blade narrowly ovate, 7–10 × 4–6.5 cm, palmately 5-veined, lateral veins 4 or 5 pairs, thickly papery, abaxially densely gray tomentose, adaxially pilose along veins, base cordate, margin shallowly lobed, thinly sharply serrate, apex acuminate. Inflorescences often terminal, cymose panicles, 10–20 cm; rachis and pedicels yellowish sericeous-villous; bracts 5–7 mm, villous, divided above middle; lobes linear. Pedicel 3–6 mm, with sparse, glandular hairs. Flowers ca. 1 cm in diam. Calyx densely yellowish sericeous-villous, sometimes with sparse, intermixed glandular hairs; sepals ovate, 5–6 × 2.5–4 mm, puberulous, margin entire, apex long acuminate. Petals much shorter than sepals or absent. Stamens many, shorter than sepals; filaments linear. Pistils not more than 20, shorter than stamens; style and ovary glabrous. Aggregate fruit black, subglobose, with few drupelets. Fl. May–Jun, fr. Jul–Aug.
Mountainous areas; 400--1200 m. Hubei.

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