河北野生藤本植物区系分析

Flora analysis of wild liane in Hebei

河北省野生藤本植物共有114种(包括变种),隶属于51属26科。基本特点是:双子叶植物科属种最多;小型科属和单种科属较多,而大型科属较少;草本植物占优势。区系成分分析表明,泛热带成分居首位(23 52%),其次是北温带成分(15 69%)、东亚北美成分(11 77%)和东亚成分(11 77%),它们是区系的主体成分;各类温带成分占39 22%,而热带成分占41 16%,表明本区系为暖温带性质;特有现象不明显。

There are 114 species of wild liane in Hebei, belonging to 51 genera,26 families. The biggest figure is with dicotyledom wild liane. The small families and genera and single families and genera have a larger quantity than the big ones. herbage plants dominate over woody ones. Pantropic, Noeth Temperate, East Asia & North America dijuncted And East Asia occupies 23.52%, 15.69%,11.77%, 11.77% of the total separately and they are the main components of the flora. And that the figure of the temperate components and tropical components occupies 39.22% and 41.16% of the total respectively shows that the flora is tropical and temperate in nature. There are few endemic elements.