北京地区野生草本观赏植物资源种类构成及其区系分析

Speciess Composition and Flora of Wild Omamental Herbaceous Plants in the Area of Beijing

选取北京地区11个自然植被保存较好的地区,通过查阅资料和现场踏查对野生草本观赏植物资源进行了调查,结果显示野生观赏草本植物共有54科166属289种,含属、种数较多的科有菊科、唇形科、毛茛科,其区系成分主要分布于北温带、旧世界温带等15个分布区类型,地理成分复杂,具有明显温带特征。

The information of top 11 best nature plants preservation areas in Beijing is extracted. By looking up history merterials and on-site checking, the wild plants ornamental herbaceous resources are investigation. A total of 289 species belonging to 54 families and 166 genera are recorded. Asteraceae is the largest family in size in the nature reserve, and other abundant faminlies in species richness are Labiatae and Ranunculaceae. The flora had 15 geographical components types include temperature type and old world temperature ets. More complex geographical elements , the plants could be had obvious temperate characteristics.