城隍竹——福建竹亚科一新种

摘要

Oligostachyum heterophyllum M. M. Lin, a new species from western Fujian, China is described andillustrated. It is similar or related to O. scabriflorum (McClure) Z. P. Wang et G. H. Ye on morphologicalcharacters, but differs in its thin culm with less than 1.5 cm in diam., culm sheaths initially palely purple-green,setose, bases of setae forming persistent papillae and has no spots abaxially, no white powdery and scorched edge,base with densely fine setae; ligule pale stramineous; blade erect, base unshrinked; leaf sheaths puberulous.%报道了竹亚科(Bambusoideae)少穗竹属(Oligostachyum Z.P.Wang et G.H.Ye)一新种——城隍竹(O.heterophyllum M.M.Lin).该新种分布于我国福建西部,它与糙花少穗竹[O.scabriflorum(McClure)Z.P.Wang et G.H.Ye]相似或近缘,但秆小,直径不超过1.5 cm;秆箨淡紫绿色,背面具有瘤基刺毛,无斑点,无白粉,亦无焦边,基部密被细刚毛;箨片直立,基部不收缩;箨舌淡禾秆色;叶鞘被细微柔毛而与后者相区别.