珍珠茅属（学名：Scleria）是莎草科莎草亚科珍珠茅族下的唯一属，为一年生或多年生草本植物，约有250多种[1]，主要分布在热带至温带地区[2]。
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珍珠茅属植物的秆多为三棱形，偶尔呈圆柱状。叶片既可生于茎秆上，也可基生，呈线形，具有叶鞘，而茎秆中部的叶鞘有的具翅，有的则无翅。[2]
总苞为叶状，并带有叶鞘。其花序为顶生的圆锥花序，有时会退化成间断的穗状。该属植物的花为单性花，雄性小穗通常包含多朵花，雌性小穗则只含有一朵花。而两性小穗具有一朵基生雌花和多朵雄花。雄蕊的数量为1至3枚，柱头则有3裂。[2]
小坚果为球形或卵形，通常为钝三棱形，表面有网状纹理或光滑，多数坚果表面具有光泽。其下位盘通常有3裂或全缘。[2]
本属包括以下物种：
- Scleria abortiva Nees, 1834
- Scleria acanthocarpa Boeckeler
- Scleria achtenii DeWild.
- Scleria adpressohirta (Kük.) E.A.Rob.
- Scleria afroreflexa Lye
- Scleria alpina Core
- Scleria amazonica Camelb., M.T.Strong & Goetgh.
- Scleria anceps Liebm.
- Scleria andringitrensis Cherm.
- Scleria angusta Nees ex Kunth
- Scleria angusta Nees, 1834
- Scleria angustifolia E.A.Rob.
- Scleria ankaratrensis Bauters
- Scleria annularis Steud.
- Scleria anomala (Steud.) J.Raynal
- Scleria arcuata E.A.Rob.
- Scleria arenaria T.Koyama
- Scleria argentea Steud.
- Scleria arguta (Nees) Steud.
- Scleria aromatica Core
- Scleria assamica (C.B.Clarke) D.M.Verma
- Scleria atroglumis D.A.Simpson
- Scleria attenuatifolia M.T.Strong
- Scleria aurantiaca Lye
- Scleria aureovillosa Kiaos. & K.Wangwasit
- Scleria balansae Maury ex Micheli
- Scleria baldwinii (Torr.) Steud.
- Scleria bambariensis Cherm.
- Scleria baroni-clarkei DeWild.
- Scleria baronii C.B.Clarke ex Cherm.
- Scleria baronii C.B.Clarke ex T.Durand & Schinz, 1894
- Scleria bellii LeBlond
- Scleria benthamii C.B.Clarke
- Scleria bequaertii DeWild.
- 二花珍珠茅 Scleria biflora Roxb.
- Scleria boivinii Steud.
- Scleria bojeri C.B.Clarke, 1894
- Scleria boniana Boeckeler
- Scleria borii D.M.Verma
- Scleria bourgeaui Boeckeler
- Scleria bracteata Cav.
- Scleria bradei Gross
- Scleria brekiana Schltdl.
- Scleria brownii Kunth
- Scleria buekiana Schltdl.
- Scleria bulbifera Hochst. ex A.Rich.
- Scleria bulbosa Schltdl.
- Scleria burchellii C.B.Clarke
- Scleria calcicola E.A.Rob.
- Scleria camaratensis Core
- Scleria canescens Boeckeler
- Scleria carphiformis Ridl.
- Scleria castanea Core
- Scleria catophylla C.B.Clarke
- Scleria ceylanica Kunth, 1837
- Scleria chasmema Bonet Mayedo & W.W.Thomas
- Scleria cheekii Bauters
- Scleria chevalieri J.Raynal
- Scleria chlorantha Boeckeler
- Scleria chlorocalyx E.A.Rob.
- 华珍珠茅 Scleria ciliaris Nees
- Scleria ciliata Michx.
- Scleria clarkei Lindm.
- Scleria clathrata Hochst.
- Scleria clathrata Hochst. ex A.Rich.
- Scleria colorata Core
- Scleria comosa (Nees) Steud.
- Scleria composita (Nees) Boeckeler
- 伞房珍珠茅 Scleria corymbosa Roxb.
- Scleria cuyabensis Pilg.
- Scleria cyathophora Holttum
- Scleria cyperina Kunth
- Scleria delicatula Nelmes
- Scleria densispicata (C.B.Clarke) J.Kern
- Scleria depauperata Boeckeler
- Scleria depressa (C.B.Clarke) Nelmes
- Scleria didina Bonet Mayedo & W.W.Thomas
- Scleria distans Poir.
- Scleria dregeana Kunth
- 独龙珍珠茅 Scleria dulungensis P.C.Li
- Scleria eggersiana Boeckeler
- 高秆珍珠茅 Scleria elata Thw.
- Scleria elongatissima Piérart
- 纤秆珍珠茅 Scleria ergracilis Nees.
- Scleria erythrorrhiza Ridl.
- Scleria fauriei Ohwi
- Scleria filiculmis Boeckeler
- Scleria flagellum-nigrorum P.J.Bergius
- Scleria flexuosa Boeckeler
- Scleria foliosa Hochst. ex A.Rich.
- Scleria foveolata Cav.
- Scleria fricaii Kük.
- 福建珍珠茅 Scleria fujianensis G. P. Li
- Scleria fulvipilosa E.A.Rob.
- Scleria gaertneri Raddi
- Scleria georgiana Core
- Scleria glabra Boeckeler
- Scleria globonux C.B.Clarke
- Scleria glomerata Oliv.
- Scleria glomerulata Oliv.
- Scleria goosenii DeWild.
- Scleria goossensi DeWild.
- Scleria goossensii De Wild.
- Scleria gracillima Boeckeler
- Scleria greigiifolia (Ridl.) C.B.Clarke
- Scleria guineensis J.Raynal
- 圆秆珍珠茅 Scleria harlandii Hance
- Scleria havanensis Britton
- Scleria hildebrandtii Boeckeler
- Scleria hilsenbergii Ridl.
- Scleria hirta Boeckeler
- Scleria hirta Willd. ex Kunth, 1837
- Scleria hirtella Sw.
- Scleria hispidior (C.B.Clarke) Nelmes
- Scleria hispidula Hochst. ex A.Rich.
- 黑鳞珍珠茅 Scleria hookeriana Bocklr.
- Scleria huberi C.B.Clarke
- Scleria indica D.M.Verma & Veena Chandra
- Scleria induta Turrill
- Scleria interrupta Rich.
- Scleria iostephana Nelmes
- 江城珍珠茅 Scleria jiangchengensis Y.Y.Qian
- Scleria junghuhniana Boeckeler
- Scleria kerrii Turrill
- Scleria khasiana Boeckeler
- Scleria khasiana C.B.Clarke ex Hook.f., 1894
- Scleria lacustris C.Wright
- Scleria laevis Retz.
- Scleria lagoensis Boeckeler
- Scleria lateritica Nelmes
- Scleria latifolia Moon.
- Scleria latifolia Sw.
- 疏松珍珠茅 Scleria laxa R.Br.
- Scleria laxiflora Gross
- Scleria leptostachya Kunth
- 毛果珍珠茅 Scleria levis Retz.
- Scleria liberica Bauters
- Scleria lingulata C.B.Clarke
- 石果珍珠茅 Scleria lithosperma (L.) Sw.
- Scleria longispiculata Nelmes
- Scleria lucentinigricans E.A.Rob.
- Scleria macbrideana Gross
- Scleria macbrideana R.Gross ex J.F.Macbr., 1931
- Scleria mackaviensis Boeckeler
- Scleria macrogyne C.B.Clarke
- Scleria macrolomioides H.Pfeiff.
- Scleria macrophylla J.Presl & C.Presl
- Scleria madagascariensis Boeckeler
- Scleria margaritifera Sieber ex C.Presl, 1828
- Scleria martii (Nees) Steud.
- Scleria maypurensis Bauters
- Scleria melaleuca Rchb., 1828
- Scleria melanomphala Kunth
- Scleria melanotricha Hochst. & A.Rich.
- Scleria microcarpa Nees ex Kunth
- Scleria microcarpa Nees, 1834
- Scleria mikawana Makino
- Scleria mildbraedii Graebn., 1922
- Scleria millespicula T.Koyama
- Scleria minor (Britton) W.Stone
- Scleria mitis P.J.Bergius
- Scleria mongomoensis Bauters
- Scleria monticola Nelmes ex Napper
- Scleria motleyi C.B.Clarke
- Scleria mucronata Poir.
- Scleria muehlenbergii Steud.
- Scleria muhlenbergii Steud., 1841
- Scleria multilacunosa T.Koyama
- Scleria mutoensis Nakai
- Scleria myricocarpa Kunth
- Scleria myriocarpa Steud., 1855
- 南京珍珠茅 Scleria nankingensis Tang et Wang
- Scleria natalensis Boeckeler ex C.B.Clarke
- Scleria naumanniana Boeckeler
- 柄果珍珠茅 Scleria neesii Kunth
- Scleria neocaledonica Rendle
- Scleria neogranatensis C.B.Clarke
- Scleria nossibeensis C.B.Clarke, 1894
- Scleria notoptera Nees, 1834
- 角架珍珠茅 Scleria novae-hollandiae Boeckeler
- Scleria nyasensis C.B.Clarke
- Scleria oakesiana Robbins
- Scleria oakesiana Robbins ex Britton
- 扁果珍珠茅 Scleria oblata S.T.Blake ex J.Kern
- Scleria obtusa Core
- Scleria oligantha Michx.
- Scleria oligochondra Nelmes
- 垂序珍珠茅 Scleria onoei Franch. et Savat.，现接受名为：垂序珍珠茅 Scleria rugosa R. Brown，毛垂序珍珠茅
- Scleria orchardii C.D.Adams
- 稻形珍珠茅 Scleria orizoides Boeckeler, 1874
- Scleria ovinux J.Raynal ex Fosberg
- Scleria pachyrrhyncha Nelmes
- Scleria pandanophylla Kurz ex C.B.Clarke, 1894
- Scleria panicoides Kunth
- Scleria pantadenia Meganck & Bauters
- Scleria papuana J.Kern
- Scleria parallella C.B.Clarke
- 小型珍珠茅 Scleria parvula Steud.
- Scleria patula E.A.Rob.
- Scleria pauciflora Muhl. ex Willd.
- Scleria paupercula E.A.Rob.
- Scleria pedicellata Bauters
- 纤秆珍珠茅 Scleria pergracilis (Nees) Kunth
- Scleria pernambucana Luceño & M.Alves
- Scleria perpusilla Cherm.
- Scleria pilosa Boeckeler
- Scleria pilosissima Britton
- Scleria plusiophylla Steud.
- Scleria poaeoides Ridl., 1884
- Scleria poeppigii (Nees) Steud.
- 稻形珍珠茅 Scleria poiformis Retz.
- Scleria polycarpa Boeckeler
- Scleria polyrrhiza E.A.Rob.
- Scleria pooides Ridl.
- Scleria porphyrocarpa E.A.Rob.
- Scleria procumbens E.A.Rob.
- Scleria proporia C.B.Clarke
- Scleria pseudohispidior Bauters
- Scleria pseudosorghum K.Schum. ex Engl., 1894
- 细根茎珍珠茅 Scleria psilorrhiza C.B.Clarke ex Hook.f., 1894
- Scleria pterota C.Presl ex Urb., 1900
- Scleria pulchella Ridl.
- Scleria purdiei C.B.Clarke
- 紫花珍珠茅 Scleria purpurascens Steud.
- Scleria pusilla Pilg.
- Scleria pygmaea Nees ex Spreng., 1827
- Scleria racemosa Poir.
- 香港珍珠茅 Scleria radula Hance，光果珍珠茅
- Scleria ramosa C.B.Clarke
- Scleria rehmannii C.B.Clarke
- Scleria remota Ridl.
- Scleria reticularis J.Presl & C.Presl
- Scleria reticularis Michx.
- Scleria richardsiae E.A.Rob.
- Scleria ridleyi C.B.Clarke ex Hook.f., 1894
- Scleria robinsoniana J.Raynal
- Scleria robusta Camelb. & Goetgh.
- Scleria rubrostriata A.C.Araújo & N.A.Brummitt
- 皱果珍珠茅 Scleria rugosa R.Br.，垂序珍珠茅
- Scleria rutenbergiana Boeckeler
- Scleria salebrosa Spreng.
- Scleria scabra Willd.
- Scleria scabriuscula Schltdl.
- Scleria scandens Core
- Scleria schenckiana Boeckeler
- Scleria schiedeana Schltdl.
- Scleria schimperiana Boeckeler
- Scleria schulzii Barros
- 轮叶珍珠茅 Scleria scrobiculata Nees & Meyen
- Scleria secans (L.) Urb.
- Scleria sellowiana Kunth
- Scleria setosa-asperula Boeck., 1875
- Scleria setulosociliata Boeckeler
- Scleria sheilae J.Raynal
- Scleria sieberi Nees
- Scleria skutchii M.T.Strong & J.R.Grant
- Scleria sobolifer E.F.Franklin
- Scleria sobolifera E.F.Franklin
- Scleria sororia Kunth
- Scleria sperrima Steud.
- Scleria sphacelata F.Muell.
- Scleria spicata (Spreng.) J.F.Macbr.
- Scleria spiciformis Benth.
- Scleria splitgerberiana Henrard ex Uittien
- Scleria sprucei C.B.Clarke
- Scleria staheliana Uittien
- Scleria stereorrhiza C.Wright, 1900
- Scleria stipitata Uittien
- Scleria stipularis Nees
- Scleria stocksiana Boeckeler
- Scleria stricta Moon, 1824
- Scleria suaveolens Nelmes
- Scleria suffulta C.B.Clarke
- 印度尼西亚珍珠茅 Scleria sumatrensis Retz.，印尼珍珠茅，苏门答腊珍珠茅
- Scleria swamyi Govind.
- Scleria sylvestre Schrad.
- Scleria tenacissima (Nees) Steud.
- Scleria tenella Kunth
- Scleria tepuiensis Core
- 陆生珍珠茅 Scleria terrestris (L.) Fassett，高秆珍珠茅
- 网果珍珠茅 Scleria tessellata Willd.
- Scleria testacea Nees
- Scleria testacea Nees ex Kunth
- Scleria thwaitesiana Boeckeler
- Scleria tonduzii Boeckeler ex Tonduz
- 越南珍珠茅 Scleria tonkinensis C.B.Clarke
- Scleria transvaalensis E.F.Franklin
- Scleria trialata Poir.
- Scleria tricholepis Nelmes
- Scleria tricristata Meganck & Bauters
- Scleria tricuspidata S.T.Blake
- Scleria triglomerata Michx.
- Scleria triquetra M.T.Strong
- Scleria tropicalis M.T.Strong
- Scleria tryonii Domin
- Scleria uleana Boeckeler
- Scleria unguiculata E.A.Rob.
- Scleria vaginata Steud.
- Scleria variegata (Nees) Steud.
- Scleria venezuelensis Core
- Scleria verrucosa Willd.
- Scleria verticillata Muhl. ex Willd.
- Scleria verticillata Nees ex Kunth, 1837
- Scleria veseyfitzgeraldii E.A.Rob.
- Scleria violacea Pilg.
- Scleria virgata (Nees) Steud.
- Scleria vogelii C.B.Clarke
- Scleria warmingiana Boeckeler
- Scleria welwitschii C.B.Clarke
- Scleria wichurai Boeckeler, 1884
- Scleria williamsii Gross
- Scleria williamsii R.Gross ex J.F.Macbr., 1931
- Scleria woodii C.B.Clarke
- Scleria wrightiana Boeckeler
- Scleria xerophila E.A.Rob.
- Scleria zambesica E.A.Rob.
- 归入本属的物种：
- Acriulus leopoldianus C.B.Clarke
- Chondrolomia selloviana Nees, 1842
- Cylindropus juncifolius Steud., 1840
Li, Bangze; Zhang, Shuren. An updated species checklist and taxonomic synopsis of Cyperaceae in China. Biodiversity Science. 2024, 32 (7): 24106. doi:10.17520/biods.2024106.
