摘要
报道了中国秋海棠属等翅组一新种,即赤车叶秋海棠(Begonia pellionioides Y.M.Shui&W.H.Chen)。此新种特产于云南东南部的石灰岩山生境,与海南秋海棠(Begonia hainanensis Chun&F.Chun)相似,但不同在于其叶片较长,叶基楔形,叶尖渐尖至尾尖,花被片背面具刺毛,蒴果具上边缘平截的三角形翅。此外,补充描述了秋海棠属等翅组拟长柄秋海棠(Begonia sublongipes Y.M.Shui)的花部特征。
Begonia pellionioides Y. M. Shui ＆ W. H. Chen, a new species of the genus Begonia L. （ sect. Peterman- nia （Klotzsch） A. DC., Begoniaceae） , is described and illustrated. The new species is endemic to limestone areas in Southeastern Yunnan Province, China, and is most similar to Begonia hainanensis Chun ＆ F. Chun but distin- guished by its more elongated leaves with cuneate base and acuminate to caudate apex, tepals adaxially with spiny hairs and sharply triangular capsule-wings with truncate superior margin. Besides, the unknown flower morphology of previously published Begonia sublongipes Y. M. Shui in Begonia sect. Petermannia is described.
出处
《植物分类与资源学报》
CAS
CSCD
北大核心
2015年第5期563-568,共6页
Plant Diversity
基金
The National Natural Science Foundation of China(31070174)
