陕西省被子植物两个新记录属——守宫木属和杜茎山属

Two Newly Recorded Genera of Angiosperms from Shaanxi Province:Sauropus Blume.and Maesa Forssk

通过野外调查并结合标本查阅、比对,发现了陕西省被子植物的两个新记录属,分别为叶下珠科(Phyllanthaceae)守宫木属(Sauropus Blume.)和报春花科(Primulaceae)杜茎山属(Maesa Forssk),对应的新记录种分别为苍叶守宫木(Sauropus garrettii Craib)和湖北杜茎山(Maesa hupehensis Rehd.)。本研究对两个新记录属的背景进行了简要介绍,并详细描述了两个新记录种的形态特征,同时提供了两个物种野外照片及植株、叶片、花、果的照片。两个新记录属和种的发现不仅对陕西省植物分布研究具有重要意义,也为该区域相关类群的志书编写工作提供了重要参考资料。凭证标本保存于山东省林草种质资源中心植物标本馆(SDFGR,the herbarium of Shandong Forest and Grass Germplasm Resource Center)和陕西省西安植物园植物标本室(XBGH,the herebarium of Xi’an Botanical Garden,Shaanxi Province)。

Through field survey in conjugation with specimen classification analysis,We found two newly recorded genera viz.Sauropus Blume and Maesa Forssk of angiosperms in Shaanxi province,China.The corresponding newly recorded species are Sauropus garrettii Craib and Maesa hupehensis Rehd.In this paper,the background of the two newly recorded genera is briefly introduced,and the morphological characteristics of the two newly recorded species are described in detail.At the same time,the field photos of the two species and the photos of plants,leaves,flowers,and fruits are provided.The discovery of two newly recorded genera and species is not only of great significance to the study of plant distribution in Shaanxi province but also provides an important reference for the compilation of records of related taxa in this area.The voucher specimens were deposited in the herbarium of Shandong Forest and Grass Germplasm Resource Center(SDFGR)and the herebarium of Xi'an Botanical Garden,Shaanxi Province(XBGH).