楼梯草属研究随记

在该文中首次给出革叶楼梯草的雄头状花序描述;还给出樱叶楼梯草雄头状花序的修正描述和兜苞墨脱楼梯草的修正特征集要;写出托叶楼梯草和南川楼梯草二种的分类学修订,其中包括2新变种和2新等级;描述了小叶楼梯草组的1新种和骤尖楼梯草组的3新种;数年前被归并为异名的兜苞墨脱楼梯草和五肋楼梯草得到恢复。

Notes on the genus Elatostema(Urticaceae)

The staminate capitulum of Elatostema coriaceifolium W.T.Wang is discovered and described for the first time. The corrected description of the staminate capitulum of E.prunifolium W.T.Wang,and the corrected diagnosis of E.medogense W.T.Wang var.oblongum W.T.Wang are given. The taxonomic revisions of E.nasutum Hook.f.and E.nanchuanense W.T.Wang are made,including two new varieties,E.nasutum var.ecorniculatum W.T.Wang and E.nanchuancise var.scleroceras W.T.Wang,and two new ranks,E.nasutum var.yui(W.T.Wang)W.T.Wang and E.nanchuanense var.calciferum(W.T.Wang)W.T.Wang.One species belonging to sect.Weddellia(H.Schrter)W.T.Wang,E.apicicrassum W.T.Wang,and three species belonging to sect.Elatoatema,E.latitepalum W.T.Wang,E.pseudonasutum W.T.Wang and E.oxyodontum W.T.Wang,are described as new. E.medogense var.oblongum W.T.Wang and E.quiquecostatum W.T.Wang,relegated to synonymies several years ago,are restored here.