金喜楼梯草(荨麻科),越南楼梯草属植物一新种

Elatostema kimhyense(Urticaceae),A New Species from Vietnam

摘要: 对产自越南的荨麻科楼梯草属植物一新种金喜楼梯草（Elatostema kimhyense Y.G.Wei & V.T.Do）作了描述和绘图。该种生长于海拔350~400和1 100~1 200 m的石灰岩山地林下。该新种与越南楼梯草（E.vietnamense Q.Lin & L.D.Duan）接近，区别在于其拥有肉质茎，羽状脉，叶背面、苞片和小苞片被微硬毛。

Abstract: A new species of Elatostema(Urticaceae), namely Elatostema kimhyense Y.G.Wei & V.T.Do, was described and illustrated. E.kimhyense was found out in forests on limestone hills at 350-1 200 m asl.. The new species is related to E.vietnamense Q.Lin & L.D.Duan, but differs from the latter by carnose stems, penninerved leaves, abaxial leaf surface hirtellous, hirtellous bracts and bracteoles.