竹亚科簕竹属毛凤凰竹繁殖器官的补充描述  

Description on the Reproductive Organs of Bambusa multiplex(Lour.) Raeuschel ex J.A.et J.H.Schult. var. incana B.M.Yang

作　　者：陈松河[1] 

机构地区：[1]厦门市园林植物园,厦门361003

出　　处：《植物研究》2013年第1期1-3,共3页Bulletin of Botanical Research

基　　金：厦门市科学技术局科研项目(3502Z20102003);厦门市市政园林局科研项目(YK-2000-02)

摘　　要：《中国植物志》第九卷第一分册、《Flora of China》及其它的相关文献均无关于竹亚科簕竹属毛凤凰竹花和果的描述或记录,本文作者采集制作了该竹子繁殖器官标本,并对其进行了描述,主要特征:花枝长50～160 cm;花序为总状花序或简单的圆锥花序;假小穗单生或以数枝簇生于花枝各节;小穗含小花5～8朵,小穗轴节间形扁,长3～4 mm,无毛;颖不存在;外稃两侧稍不对称,长圆状披针形,无毛;内稃线形;花丝长6～10 mm,花药紫色;子房卵球形;柱头3或其数目有变化,羽毛状;鳞被3;雄蕊6。花期3～4月。成熟颖果为细狭的长圆形,长0.8～1.0 cm,直径2.0～2.5 mm,棕褐色,果皮较厚。花标本采自厦门市园林植物园竹类植物区。There was no description or record for the reproductive organs of Bambusa multiplex（Lour.） Raeuschel ex J.A.et J.H.Schult.var.incana B.M.Yang in the ＂Chinese Flora＂[Tomus 9（1）],《Flora of China》and other related literature.In this paper,the author gathered and manufactured its reproductive organ specimen and described it both in English and in Chinese.Its main features were： the flowering branch 50-160 cm;pseudo spikelets solitary or several clustered at nodes of flowering branches;florets 5-8,rachilla segments flat,3-4 mm,glabrous;glumes absent;lemma asymmetrical,oblong-lanceolate,glabrous;palea linear;filaments 0.5-1.2 cm;anthers purple;ovary ovoid;stigmas 3 or variable in number,feathery;lodicules 3;stamens 6.Flowering March-April.Mature caryopsis is thin narrow ovale,brown,ca.0.8-1.0 cm,dia.2.0-2.5 cm,peel thicker.The specimen was collected from Xiamen Botanical Garden.

关 键 词：竹亚科 簕竹属 毛凤凰竹 繁殖器官 描述 

分 类 号：Q949[生物学—植物学]