簕竹属小琴丝竹繁殖器官的补充描述  

Additional Descriptions on the Reproductive Organs of Bambusa multiplex cv. Alphonse-Karr R.A.Young

作　　者：陈松河[1] 

机构地区：[1]厦门市园林植物园,福建厦门361003

出　　处：《竹子研究汇刊》2012年第3期51-52,62,共3页Journal of Bamboo 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小琴丝竹花的描述或记录,笔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40～150 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5～10朵,小穗轴节间形扁,长4～5 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1.2～3.0 cm,直径1.8～2.5 mm,棕色,果皮较厚。花标本采自厦门市思明区前埔北区汉伟英语幼儿园。There was no description or record for the reproductive organs of Bambusa multiplex cv.Alphonse-Karr in《Flora of China》 and the other related literature.In this paper,the author gathered its reproductive organs to make specimen and describe them both in English and in China.Their main features were as follows： the flowering branches 40~150 cm;pseudospikelets solitary or several clustered at nodes of flowering branches;florets 5~10,rachilla segments flat,4~5 mm,glabrous;glumes absent;lemma asymmetrical,oblong-lanceolate,glabrous;palea linear;filaments 0.6~1 cm;anthers purple;ovary ovoid;stigmas 3 or variable in number,feathery;lodicules 3;stamens 6.Flowering March-April.Mature caryopsis thin,narrow ovale,brown,ca.1.2~3.0 cm,dia.1.8~2.5 cm,peel thicker.

关 键 词：竹亚科 簕竹属 小琴丝竹 繁殖器官 描述 

分 类 号：S795[农业科学—林木遗传育种]