四川松潘县秦艽资源调查及鉴别

Investigation and Identification on Resources of Radix Gentianae Macrophyllae in Songpan County of Sichuan Province

目的调查松潘县秦艽的种类、资源分布、生态环境特征、生长状况和利用现状。方法实地踏查、样方调查结合文献研究。结果松潘县秦艽资源主要为秦艽Gentiana macrophylla Pall.、麻花秦艽Gentiana straminea Maxim.和粗茎秦艽Gentiana crassicaulis Duthie ex Burk.3种植物,境内各乡镇都有分布,尤以松潘中部的高半山和西北部的高原草甸分布为多。结论松潘县秦艽资源丰富,未能合理发展及利用,同时资源保护意识薄弱,大量秦艽资源因过度放牧而破坏。

Objective To investigate the species,resources distribution,ecological environment,growing status,and utilization of Radix Gentianae Macrophyllae in Songpan county,Sichuan province.Methods Field survey,plots survey and literature research were employed.Results There were three species of Radix Gentianae Macrophyllae,namely,Gentiana macrophylla Pall.,Gentiana straminea Maxim.and Gentiana crassicaulis Duthie ex Burk.in Songpan county.They distributed in all townships,especially in central high half-slope and northwest plateau meadow.Conclusion Radix Gentianae Macrophyllae is rich in wild resources,but it is irrationally developed and utilized.Meanwhile,the conservation awareness of local people is weak.A large number of Radix Gentiana Macrophyllae resources are damaged due to overgrazing.