浙江蓼科一新种--丽水蓼子草  

Polygonum lishuiense (Polygonaceae),A New Species from Zhejiang Provi

作　　者：王军峰 吴东浩 谢文远[3] 叶邦梅 吴伟建 陈征海 WANG Junfeng;WU Donghao;XIE Wenyuan;YE Bangmei;WU Weijian;CHEN Zhenghai(Scientific Research Management Center of East China Medical Botanical Garden,Lishui 323000,China;Lishui Municipal Administration of Market Supervision,Lishui 323000,China;Forest Resources Monitoring Centre of Zhejiang Province,Hangzhou 310020,China;Songyang People s Hospital,Lishui 323499,China;Forest Resources Protection and Management Station of Songyang County,Lishui 323499,China)

机构地区：[1]华东药用植物园科研管理中心,浙江丽水323000 [2]丽水市市场监督管理局,浙江丽水323000 [3]浙江省森林资源监测中心,浙江杭州310020 [4]松阳县人民医院,浙江丽水323499 [5]松阳县生态林业发展中心,浙江丽水323499

出　　处：《杭州师范大学学报（自然科学版）》2024年第3期273-276,共4页Journal of Hangzhou Normal University(Natural Science Edition)

基　　金：浙江省植物资源调查、归档、编撰项目(335010-2015-0005).

摘　　要：描述了采自中国浙江省的蓼科Polygonaceae蓼属Polygonum L.一新种--丽水蓼子草P.lishuiense Z.H.Chen,D.H.Wu,W.Y.Xie et J.F.Wang,并附有线描图.新种形态与蓼子草P.criopolitanum Hance相似,不同之处在于其茎仅最顶端的节间具腺毛;叶片、叶柄和叶鞘均无腺毛;穗状花序呈圆柱状,长1.5~2.8 cm,直径7~9 mm;每苞片内具2或3花,仅1花可育;花柱2或3;小坚果倒卵状扁球形,双凸镜状,长约1.35 mm,或3棱形,长约1.2 mm,直径约0.7 mm.Polygonum lishuiense Z.H.Chen,D.H.Wu,W.Y.Xie et J.F.Wang(Polygonaceae),from southern Zhejiang,eastern China,is described and illustrated as a new species.It is similar to P.criopolitanum Hance,but differs in having stem only apicalmost internode glandular hairs,leaf blade,petiole and leaf sheath without glandular hairs,spikes cylindric,1.5-2.8 cm long,7-9 mm in diameter,2-or 3-flowered per bract,only 1 flower fertile,styles 2 or 3,nutlets obovoid,biconvex,ca.1.35 mm long,or trigonous,ca.1.2 mm long,0.7 mm in diameter.

关 键 词：蓼科 丽水蓼子草 新种 浙江 中国东部 

分 类 号：Q949.744[生物学—植物学]