摘 要 ：描述了竹亚科思劳竹属一新种——万石山思劳竹（Schizostachyum wanshishanensis S.H.Chen,K.F.Huang et H.Z.Guo）。该种与思劳竹（S.pseudolima McClure）近缘，但本种箨片较平直，且短，长不及箨鞘之1/2，叶表无毛，叶背具柔毛，易于区别；本种也与沙罗单竹（S.funghomii McClure）近缘，但本种秆梢端细长下垂，叶鞘具有白色短刺毛，易于区别。
Abstract:A new species of the genus Schizostachyum Nees of Bambusoideae from China, S.wanshishanensis S.H.Chen, K.F.Huang et H.Z.Guo, which was found to grow in Xiamen Botanical Garden, Fujian Province, is described and illustrated. The new species is similar to S.pseudolima McClure, but differs by having smooth, straight and short culm-sheathes piece, its length is less than culm-sheathes by 1/2, glabrous leaves surface, the back of leaves have more pubescences; it differs from S.funghomii McClure by its sagging and tall and slender culm upside, white and short stiff hairs on leaves sheathes.