七姊妹山国家级自然保护区菊科植物区系及资源植物分析

Analysis of flora and resources plants on compositae in Qizimeishan National Nature Preserve

湖北七姊妹山国家级自然保护区位于宣恩县东部,生物多样性丰富。据调查,该区共有菊科植物58属119种(含变种),具有我国种子植物属15个地理分布区类型中的12个。从起源来看,七姊妹山国家级自然保护区菊科植物以温带起源为主,温带属占73.59%(39属),热带属占20.75%(11属),有3个中国特有分布属,表明该地区菊科植物区系有以温带成分为主的多类成分共存的特点。七姊妹山国家级自然保护区菊科资源植物十分丰富,按其用途可分为野生蔬菜类、蜜源植物类、观赏植物类、药用植物类、香料植物类及特有植物类等,这些资源植物具有较大开发利用价值。

Qizimeishan National Nature Preserve is located in the east of Xuan＇en county, Hubei province and it is rich in biodiversity. After investigation, 119 species （including varieties） belonging to 58 genera of Compositae were observed in this area. They possessed 12 areal-types among the total 15 in China. At the level of genera most of Compositae in Qizimeishan National Nature Preserve were originated from the temperate regions. The temperate genera were 73.59%（39 genera）, while the tropical genera were only 20.75% （ 11 genera）, and there were 3 endemic genera. Many species appeared to be resources plants. According to their utilization, they could be divided into wild vegetable, medicinal plants, wild flower plants and aromatic plants. These resources plants have great potential value of exploitation and utilization.