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中国科学院大学学报 ›› 2003, Vol. 41 ›› Issue (6): 569-572.DOI: 10.7523/j.issn.2095-6134.2003.6.009

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泰国雨久花属(雨久花科)一新变种——窄叶鸭舌草

汪光熙, 李伟, 万小春, 伊藤操子   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 发布日期:2003-11-10
  • 通讯作者: 汪光熙

Monochoria vaginalis var. angustifolia,a new variety of the Pontederiaceae from Thailand

WANG Guang-Xi, LI Wei, WAN Xiao-Chun, Misako ITO   

  • Received:1900-01-01 Revised:1900-01-01 Published:2003-11-10
  • Contact: WANG Guang-Xi

摘要: 描述了泰国雨久花属Monochoria C.Presl一新变种:窄叶鸭舌草M.vaginalis var.angustifolia G.X.Wang。该新变种与原变种鸭舌草M.vaginalis var.vaginalis都具有类似的总状花序,但前者的叶片为窄披针形,3-7×0.3-2.0cm,叶片宽长比在0.1-0.4之间,叶基部裂片最长不超过2mm,总状花序具花3-7朵,而原变种鸭舌草的叶片较宽,为卵心形或心形,4-9×2-8cm,叶片宽长比在0.5-0.95之间,叶基部裂片最长可达到2cm,总状花序

关键词: 雨久花属, 雨久花科, 窄叶鸭舌草

Abstract: A new variety of Monochoria C. Presl from Thailand, M. vaginalis (N. L. Burman)Kunth var.angustifolia G. X. Wang, is described. This variety can be distinguished from the typical one, M. vaginalis var. vaginalis, by having mature leaves narrowly lanceolat

Key words: Monochoria, Pontederiaceae, M.vaginalisvar.angustifolia, newvariety, Thai-land.

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