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植物研究 ›› 2008, Vol. 28 ›› Issue (5): 530-533.doi: 10.7525/j.issn.1673-5102.2008.05.006

• 论文 • 上一篇    下一篇

中国荞麦属(蓼科)一新种——密毛野荞麦

刘建林1;唐宇2;夏明忠1;邵继荣3;蔡光泽1;罗强1;孙俊秀2   

  1. (1.西昌学院农学系,西昌 615013) (2.四川烹饪高等专科学校,成都 610072) (3.四川农业大学,雅安 625014)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2008-09-20 发布日期:2008-09-20
  • 通讯作者: 刘建林
  • 基金资助:
     

Fagopyrum densovillosum J. L. Liu, a New Species of Polygonaceae from Sichuan,China

LIU Jian-Lin;TANG Yu;XIA Ming-Zhong;SHAO Ji-Rong;CAI Guang-Ze;LUO Qiang;SUN Jun-Xiu   

  1. (1.Department Agronomy,Xichang College,Sichuan 615013) (2.Sichuan Higher Institute of Cuision,Chengdu 610072) (3.Sichuan Agricultural University,Yaan 625014)
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-09-20 Published:2008-09-20
  • Contact: LIU Jian-Lin
  • Supported by:
     

摘要: 描述了蓼科一新种——密毛野荞麦(Fagopyrum densovillosum J. L. Liu),本种与细柄野荞麦(F. gracilipes(Hemsl.) Damm. et Diels)相近似,不同在于植株全体密被白色直立长毛,茎枝较粗壮,节较密集,节间较短, 叶较大,长(0.9~)1.7~6 cm,宽(0.7~)1.2~5.1 cm,阔卵形,心形,阔心形,阔卵状心形,卵形,长卵形,三角状卵形或卵状三角形,在上面具细皱纹,明显小泡状突起,叶柄较长,长 (0.5~) 2.6~7.5 cm,果实较小,长1.8~2.5 mm,直径1.5~2 mm,易于区别。

关键词: 荞麦属, 密毛野荞麦, 蓼科, 新种, 四川, 中国

Abstract: Fagopyrum densovillosum J. L. Liu, a new species of the polygonaceae from Luojishanzhen, Puge Country, Sichuan Province, China,is described. F. densovillosum is closely related to F. gracilipes (Hemsl.) Damm. et Diels By its from bottom to top foliate stems and branches, axillary and apical Racemes, ovate-triangular or broadly ovate-triangular achenes, but differs in its densely erect-villose plants, thicker stems and branches, densely nodes, shorter internodes, broadly ovate, cordate, broadly cordate, broadly ovate-cordate, ovate, long ovate, triangular-ovate or ovate-triangular and larger leaves,(0.9-)1.7-6 cm long and (0.7-)1.2-5.1 cm wide, thin rugose and small pustulate on the surface, longer petioles (0.5-)2.6-7.5 cm long, smaller achenes 1.8-2.5 mm long and 1.5-2 mm in diameter.

Key words: Fagopyrum, Fagopyrum densovillosum J. L. Liu, Polygonaceae, new species, Sichuan, China

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