单叶黄荆的分类学修订

A Revision of Vitex simplicifolia B.N.Lin et S.W.Wang

摘要: 根据对单叶黄荆(Vitex simplicifolia)模式标本的研究,结合在其模式产地的野外调查,发现单叶黄荆与黄荆(V.negundo)并无本质区别,不宜作为独立的种,但其叶片为单叶而且比较稳定,将其降级并组合为黄荆的变种。

Abstract: Based on examination of hebarium specimens and field observations,it is found that Vitex simplicifolia B.N.Lin et S.W.Wang has not essential differences with V.negundo Linn.So it cannot be a separated species,and was relegated to a variety of V.negundo Linn.,i.e.,V.negundo Linn.var.simplicifolia(B.N.Lin et S.W.Wang)D.K.Zang et J.W.Sun,considering its characteristics of simple leaf.