重庆市蕨类植物区系调查和分析

Fern Flora in Chongqing, China

摘要:

重庆市有野生蕨类植物47科120属604种（含变种及以下分类单位）。其科属优势明显，其中蹄盖蕨科、金星蕨科、鳞毛蕨科和水龙骨科4个科包含了49属337种，占重庆市蕨类植物属、种总数的40.83％和55.79％；特有现象明显，地方特有种十分丰富，中国特有种和地方特有种类分别达到164种和33种；蕨类植物区系具有古老、孑遗和原始性等特点，表现出一定的热带性质或热带亲缘。

Abstract:

According to the inquisition for the fem in Chongqing near 10 years, including abundance field inquisition, specimen collection and authenticating, refering for literature and specimen, there are 604 species wild fern belonging to 120 genera and 47 families. The varient and subspecies obvious offamiliy and genera, for Athyriaceae, Thelypteridaceae, Dryopteridaceae and Polypodiaceae have 49 genera and 337 species and occupy 40.83% and 55.79% of the families and the genera of the fern in Chongqing. Endemism is notable and the endemic species to China and Chongqing are 164 and 33;The fern has characteristic of antiquity, survivable and originality and has tropical property or close affinity with tropical flora.