中国竹亚科空竹属的整理

Revision on Cephalostachyum Munro( Poaceae:Bambusoideae) in China

我国竹亚科空竹属(Cephalostachyum Munro)植物发现于云南和西藏两省区,集中分布于云南。根据形态学性状,以及近年来叶片微形态和分子系统学研究结果,作者对我国空竹属物种进行了整理并编制了分种检索表。结果显示,我国空竹属现知有7种,云南均有分布:薄竹(Cephalostachyum chinense(Rendle)D.Z.Li et H.Q.Yang)、空竹(C.fuchsianum Gamble et Hook.f.)、独龙江空竹(C.mannii(Gamble)Stapleton et D.Z.Li)、小空竹(C.pallidum Munro)、屏边空竹(C.pingbianense(Hsueh et Y.M.Yang ex Yi et al.)D.Z.Li et H.Q.Yang)、红毛空竹(C.sanguineum(W.P.Zhang)D.Z.Li&H.Q.Yang)、真麻竹(C.scandens Bor)。薄竹属(Leptocanna Chia et H.L.Fung)和毒空竹(C.virulentum Y.M.Yang et F.Du)分别为空竹属和空竹的异名。另一方面,原置于空竹属的香糯竹(C.pergracile Munro)和金毛空竹(C.virgatum(Munro)Kurz)的形态特征则更接近狭义的竹属(Schizostachyum Nees),应该处理为狭义竹属成员。本研究对空竹属今后的修订工作有重要意义。

Species of Cephalostachyum Munro （ Poaceae： Bambusoideae） from China are distributed in Yunnan and Tibet, mainly in Yunnan. In this paper, we discussed species of Cephalostachyum and compiled a key to species from China, based on recent studies on micromorphological characters of leaf epidermis and molecular phylogeneties of paleotropical woody bamboos. There is a total of seven species of Cephalostachyum distributed in China, all in Yunnan： C. chinense （Rendle） D.Z. Li et H. Q. Yang, C.Jhchsianum Gamble et Hook. f., C. mannii （Gamble） Stapleton et D. Z. H, C. pallidum Munro, C. pingbianense （ Hsueh et Y. M. Yang ex Yi et al.） D.Z. Li et H. Q. Yang, C. sanguineum （ W. P. Zhang） D.Z. Li et H.Q. Yang and C. scandens Bor. Leptocanna Chia et H.L. Fung and C. virulentum Y. M Yang et F. Du are synonyms of Cephalostachyum Munro and C.fuchsianum Gamble et Hook. f. respectively. On the other hand, C. pergracile Munro and C. virgatum （Munro） Kurz are morphologically closer to Schizostachyum Nees than to Cephalostachyum, and they should be treated as members of Schizostachyum. This paper is of significance to a worldwide revision of Cephalostachyum.