摘要
【目的】调查陕南秦巴山区野生药用植物资源，分析药用植物区系特征，以探明该区药用植物的分布规律。【方法】利用植物区系地理学的基本原理，于2013年7—9月在位于秦巴山区的洋县，采用样方调查法，结合资料查阅，共选择了36个样地，对研究区药用植物资源分布进行调查，并对药用植物区系特征进行研究。【结果】陕南秦巴山区药用植物共有104科268属361种，其中药用裸子植物5科6属7种，药用被子植物92科254属344种，药用蕨类植物7科8属10种。研究区内含2～5属的科、含1属的科和含1种的属的药用植物数量多，且所占比例较高。秦巴山区药用植物科、属分别存在9种分布区类型6个变型和13种分布区类型9个变型。在药用植物科和属的分布区类型中，均以热带和温带成分为主，其所占比例分别为93．66和81．66％（世界分布除外）。【结论】秦巴山区药用植物种类丰富，分布区类型多样，热带、温带性质明显；此外，药用植物组成有一定的古老成分，但特有程度较低。
[Objective] This study surveyed wild medicinal plant resources in Qinba Mountainous Area and analyzed flora characteristics of medicinal plants to investigate the distribution of medicinal plants re- sources. [Method] According to the sampling surveys and related documents,36 sample plots were chosen to investigate the distribution of medicinal plant resources and analyze flora characteristics of medicinal plants using the basic principles of flora geography in July to September 2013. [Result] There were ab dant resources of medicinal plants in Qinba Mountainous Area of southern Shaanxi,including 104 famili un es, 268 genera and 361 species, among which 7 species （belonging to 6 genera in 5 families） were gymno- sperms,344 species （belonging to 254 genera in 92 families） were angiosperms and 10 species （belong to 8 genera in 7 families） were ferns. Families with 2--5 genera and genera with 1 specie were the most with high ratios. There were 9 areal-types and 6 subtypes of families,13 areal-types and 9 subtypes of genera. The tropical and temperate components were dominant in the areal-types of medicinal plants families and genera,accounting for 93. 66%and 81.66% ,respectively （except world distribution）. [Conclusion] The medical plants in Qinba Mountainous Area were with various distribution patterns. Temperate and tropical floristic elements were clear in nature. Moreover, the medicinal plants had some old components, but there were less endemic elements.
出处
《西北农林科技大学学报（自然科学版）》
CSCD
北大核心
2015年第8期211-221,共11页
Journal of Northwest A&F University(Natural Science Edition)
基金
中医药行业科研专项(201207002)
陕西省农业攻关项目(2013K01-06)
中医药公共卫生专项(财社[2011]76号)
关键词
秦巴山区
药用植物
地理分布
区系研究
Qinba Mountainous Area
medicinal plants
geographical distribution
floristic study
