栏目

朝鲜鼠李Rhamnus koraiensis Schneid.

朝鲜鼠李Rhamnus koraiensis Schneid.

别名:老乌眼籽;苏龙古斯-牙西拉;

科名:鼠李科 Rhamnaceae

属名:鼠李属 Rhamnus

《中国植物志》第48(1)卷081页
  51. 朝鲜鼠李(东北木本植物图志)图版22: 1-2
  Rhamnus koraiensis Schneid. in Notizbl. Bot. Gart. Mus. Berl. 5: 77. 1908. et Ill. Handb. Laubholzk. 2: 284, f. 196 n-o, 1909, et in Sarg. Pl. Wils. 2: 249. 1914; Nakai, Fl. Sylv. Kor. 9: 25, Pl. 8. 1920; Grub. in Act. Inst. Bot. Acad. Sci. URSS ser. 1, 8: 329. 1949; 刘慎谔等, 东北木本植物图志402. 1955.——R. parvifolia auct. non Bunge Kitag. Lineam. Fl. Mansh. 312. 1939, p. p.
  灌木,高达2米;枝互生,灰褐色或紫黑色,平滑,稍有光泽,枝端具针刺,当年生枝被微毛或无毛,芽小,卵圆形,长约3-4毫米。叶纸质或薄纸质,互生或在短枝上簇生,宽椭圆形、倒卵状椭圆形或卵形,长4-8厘米,宽2.5-4.5厘米,顶端短渐尖或近圆形,基部宽楔形或近圆形,边缘有圆齿状锯齿,两面或沿脉被短柔毛,侧脉每边4-6条,两面凸起,网脉不明显;叶柄长7-25毫米,被密短柔毛;托叶长线形,早落。花单性,雌雄异株,4基数,有花瓣,黄绿色,被微毛;花梗长5-6毫米,被短毛;雄花数个至10余个簇生于短枝端,或1-3个生于长枝下部叶腋;雌花数个至10余个簇生于短枝顶端或当年生枝下部,花柱2浅裂或半裂。核果倒卵状球形,长6毫米,直径5-6毫米,紫黑色,具2稀1分核,基部有宿存的萼筒;果梗长7-14毫米,有疏短柔毛;种子暗褐色,背面仅基部有长为种子1/4-2/5的短沟。花期4-5月,果期6-9月。
  产吉林、辽宁、山东(昆箭山、崂山)。生于低海拔的杂木林或灌丛中。朝鲜也有分布。模式标本采自朝鲜。
  本种以当年生枝及花、果梗均被短柔毛与长梗鼠李R. schneideri Levl. et Vant. 相区别。

《Flora of China》 Vol. 12 (2007)
Rhamnus koraiensis  C. K. Schneider
朝鲜鼠李   chao xian shu li
Shrubs dioecious, to 2 m tall, spinescent. Branches alternate; young branches slightly virgate, grayish, longitudinally fissured, sparsely hairy; older branches grayish brown, slightly shiny, smooth, with conspicuous transversally elongated lenticels, glabrescent, terminating in a spine. Leaves alternate or fascicled on short shoots; stipules linear, caducous; petiole 7-25 mm, densely pilose; leaf blade broadly elliptic, obovate-elliptic, or ovate, 4-8 × 2.5-4.5 cm, papery or thinly so, both surfaces densely pilose, lateral veins 4-6 pairs, prominent on both surfaces, with inconspicuous reticulate veins, base broadly cuneate or subrounded, margin densely crenate-serrate, apex shortly acuminate or subrounded. Flowers unisexual, 4-merous. Pedicels 5-6(-10) mm, puberulent. Petals present, yellow-green, puberulent. Male flowers few- to 10-fascicled on short shoots, or 1-3 in leaf axils of lower part of branches. Female flowers few- to 10-fascicled on short shoots or lower parts of annual branches; styles deeply 2-cleft. Drupe purple-black, obovoid-globose, 5-6 mm in diam., with 2 stones, rarely with 1 stone, with persistent calyx tube at base; fruiting pedicel 7-14 mm, sparsely pilose. Seeds dark brown, abaxially with basally margined short furrow extending over 1/4-2/5 of length. Fl. Apr-May, fr. Jun-Sep.
Mixed forests, thickets; low elevations. Jilin, Liaoning, E Shandong (Kunyu Shan, Laoshan) [N Korea].

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