佯黄竹——我国经济竹子一新种  

Bambusa Changningensis Yi et B.X.Li——a New Species(Babusoideae,Poaceae) of Economical Bamboos in China

作　　者：易同培[1] 李本祥 

机构地区：[1]四川农业大学,四川都江堰611830 [2]四川长宁县世纪竹园,四川长宁644300

出　　处：《四川林业科技》2012年第3期7-10,共4页Journal of Sichuan Forestry Science and Technology

摘　　要：本文报道了禾本科竹亚科箣竹属一新种——佯黄竹Bambusa changningensis Yi et B.X.Li,产于四川南部长宁县。新种近似硬头黄竹B.rigida Keng et Keng f.,不同在于新种秆高大,高达19.5 m,直径10 cm;笋初时为墨绿色,后密被白粉,并具淡绿色环带,无黄白色纵条纹;箨鞘较长,约为节间长度的2/3,箨耳较小,箨片背面无毛,腹面仅基部具棕色贴生小刺毛;叶鞘口无繸毛,叶柄无毛,叶片较大,长达29(32)cm,宽达3(3.6)cm,背面淡绿色,次脉多达10(12)对,容易区别。In this paper, a description is given of a new species of the Bambusa Retz. corr. Schreber （Poaceae） from Changning County, Sichuan, China, and it is named B. changningensis Yi et B. X. Li. This species is similar to Bambusa rigida Keng et Keng f. ,but has a tall culm. Its height is up to 19. 5 m and its diameter is 10 cm;Bamboo shoot is initially as thalassicus,later densely farinose, and with green- ish annuli, without stramineous longitudinal lines ;longer Vegina, about the internode length of 2/3, smal- ler Acuricle,glabrous dorsum on the lamella, only brown appressed setulose on the base of venter; Leaf sheath mouth without fimbrilla. And glabrous petiole,larger leaves, length up to 29 （32） cm, width up to 3（3.6） cm,greenish back,secondary veins up to 10（12） pairs,easy to distinguish.

关 键 词：箣竹属(禾本科) 新种 四川 中国 

分 类 号：S795[农业科学—林木遗传育种]