四川西部箬竹属一新种

A New Species of IndocalamusNakai from Western Sichuan of China

毛粽叶 (Indocalamus chongzhouensis Yi et L.Yang)很近似峨眉箬竹 (I.emeiensis C.D.Chuet C.S.Chao) ,主要区别是幼秆节下无白粉 ;笋绿色 ,有深紫色斑点 ;箨鞘背面灰色 ,有深紫色斑点或无斑点 ,密被黄褐色开展长达 3mm瘤基刺毛 ;叶鞘密被黄褐色刺毛和灰色短硬毛或老时无毛 ,边缘常具黄褐色长纤毛。

Indocalamus chongzhouensisYi et L. Yang,a new species of Bambusoideae from Western Sichuan,was described and illustrated. This new species is very similar to I. emeiensisC. D. Chu et C. S. Chao. However,there is no white powder under the node of its infancy culm. Its bamboo shoot is green with dark purple spots. The back of culm-sheath is gray with dark purple spots or without spots,and with dense yellowish brown tumour-like open-growing cheatas that is up to 3 mm long. The leaf sheath is covered with dense yellowish brown cheatas and grey hispidulous,or is glabrous when it's old. There exists yellowish brown long ciliaris on the margin. It is easy to be discriminated.