贵州东南部玉山竹属一新种及空竹一新异名

A New Species of Yushania Keng f.(Poaceae) from Southeast Guizhou in China and a New Dissenting Name of Cephalostachyum fuchsianum Gamble

贵州雷公山顶产有玉山竹属1新种,现定名为雷公山玉山竹.这个种近似于盈江玉山竹Yushnia glandulosaHsueh etYi,不同在于秆挺直;小棱具叶（2）3 ～5,叶片长达12 cm,宽达1.9 cn,次脉（3）5对～6对,边缘近于平滑或上部具小锯齿.近期发表的毒空竹,经研究,它就是空竹的异名.

This paper reported a new species of Yushania Keng f. from Southeast Guizhou. Yushnia is Yi et C. H. Yang is similar to Y. glandulosa Hsueh et Yi, but diverging from culm, leaves （2） 3 - 5 in every branchlet, laminas up to 12 cm long and 1.9 cm bord, secon by its straight d viens （3） 5 - 6 on each side, near entire or up serrulate. Cephalostachyum virulentum Y. M. Yang et Fan Du is not name of the C.fuchsianum Gamble.