东亚北美间断分布草本菝葜物种分化和谱系地理研究

来源 :中国植物学会八十周年年会 | 被引量 : 0次 | 上传用户:www4006804680com
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菝葜属(Smilax)草本组是单系起源的后裔类群,间断分布于东亚和北美.该类群是研究物种分化、性状演化及其与环境变迁关系的理想材料,对重塑东亚和北美植物区系形成历史有重要意义.本研究共采集89个群体(东亚56个,北美33个),共计622个体,覆盖了所有现存分布区和绝大部分种类(仅缺北美Smilax pseudochina).
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