Sect. Orthocerates Koch (Cyperaceae)
组47. 尖苞薹草组 Sect. 47. Orthocerates Koch
名称文献：Synops. Fl. Germ. 748, 837. ——Sect. Pauciflorae Tuckerm. Enum. Meth. Caric. Quarundam 7, 1843, unranked) ex L. H. Bailey in Proc. Amer. Acad. 22: 61, 1886. ——Uncinia Sect. Pseudocarex C. B. Clarke in Journ. Linn. Soc. Bot. 20: 401, 1883. ——Sect. Leucoglochin (Heuff.) V. Krecz. in Kom., Fl. URSS 3: 302, 1935.——Sect. Unciaeformes Kukenth. subsect. Pauciflorae (Tuckerm.) Kukenth in Engl., Pflanzenr. Heft 38 (IV, 20): 108, 1909. ——Sect. Orthocerates Koch subsect Orthocerates (Koch) T. Koyama in Journ. Fac. Sci Univ. Tokyo Sect III., 8 (4): 234, 962. ——Leucoglochin Heuff. in Flora 27: 528, 1844, pro gen
形态特征：小穗1个，顶生，雄雌顺序，椭圆形，具少而较密的花，无苞片；雌花鳞片早落；果囊狭披针形，横切面近圆形，纸质，具多条不明显的细脉，基部具海绵质，初近直立，后向下反折；小坚果腹面具延伸小穗轴，柱头3个。