Sect. Mariscus (Cyperaceae)
组5．磚子苗组Sect. Mariscus——Mariscus subgen. Eu-Mariscus sect. UmbellatiC. B. Clarke
名称文献：Sect. Mariscus——Mariscus subgen. Eu-Mariscus sect. UmbellatiC. B. Clarke in Hook. f. Fl. Brit. Ind. VI (1893) 620——Cyperus Linn. subgen. Mariscus (Gaertn. ) C. B. Clarke sect. Umbellati Kukenth. in Engl. Pflanzenr. Heft101, IV, 20 (1935) 506.
形态特征：多年生草本，具短缩根状茎。稈基部多少具块茎。长侧枝聚繖花序简单或短缩成头状；穗状花序具密生小穗；小穗圆柱形；小穗轴具翅；鳞片无龙骨状突起，紧抱小坚果。小坚果长圆形，稍弯曲。