旺苍大峡谷森林公园种子植物组成及其区系特征  

Floristic Analysis of Seed Plants in Wangcang Provincial Forest Park

作　　者：林勇[1] 

机构地区：[1]四川省林业调查规划院,四川成都610081

出　　处：《四川林业科技》2018年第1期105-108,117,共5页Journal of Sichuan Forestry Science and Technology

摘　　要：四川省旺苍大峡谷森林公园有种子植物112科498属980种,其中裸子植物5科13属18种,被子植物107科485属962种;以少种科(73科,占65.18%)、单种属(268属,占53.82%)为主。科的分布区类型共11个,以热带分布(46科、占41.07%)较多。属的分布区类型有15个,以温带成分为(282属,占56.63%)和热带成分(150属,占30.12%)为主,我国特有60属(3.82%)。此外,还分布有红豆杉(Taxus chinensis)等9种国家重点保护植物。Wangcang Provincial Forest Park is located in north Wangcang County, Sichuan Province, and between 106°19′15″ - 106°25′42″E, 32°32′23″ - 32°36′25″N. There were 980 species of seed plants, belonging to 112 families, 498 genera, and the major were Oligotypic families （73 families, accounting for 65.18% of the total） and Monotypic genera （268 genera,accounting for 53.82% of the total） among which gymnodperms had 5 families, 13 genera, 18 species, and angiosperms had 107 families, 485 genera, 962 species. The floristic elements of genera and families were composed of 15 types and 11 types of Chinese seed plants. At the family level, the major were the Tropical element （46 families, accounting for 41.07% of the total）. At the genera level, the major were the Temperate element （282 genera,accounting for 56. 63% of the total） and Tropical element （ 150 genera, accounting for 30. 12% of the total）. The element of endemic to China had 19 genera （ accounting for 3.82% of the total）. Moreover, 9 species in Wangcang Provincial Forest Park were listed in the national protection plant categories, such as Taxus chinensis.

关 键 词：种子植物 区系特征 旺苍大峡谷森林公园 

分 类 号：Q948.15[生物学—植物学]