Northeastern Asian Flora
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Carex diandra Schrank   (redirected from: Carex teretiuscula Gooden.)
Family: Cyperaceae
[Carex bernardina Parish, moreCarex diandra f. conguesta Lekav., Carex diandra f. longibracteata Chwast., Carex diandra f. major (W.D.J.Koch) K?., Carex diandra f. tenella (C.L.Beckm.) K?., Carex diandra var. ampla (L.H.Bailey) K?., Carex diandra var. ramosa (Boott) Fernald, Carex ehrhartiana Hoppe ex Boott, Carex fulva var. hornschuchiana W.Boott, Carex paniculata var. diandra (Schrank) Fiori, Carex paniculata var. minor Retz., Carex paradoxa subsp. pseudoparadoxa (S.Gibson) K.Richt., Carex paradoxa var. pseudoparadoxa (S.Gibson) Nyman, Carex pseudoparadoxa S.Gibson, Carex teretiuscula Gooden., Carex teretiuscula f. simplicior Sanio, Carex teretiuscula var. ampla L.H.Bailey, Carex teretiuscula var. crassior Hartm., Carex teretiuscula var. ehrhartiana (Hoppe ex Boott) Nyman, Carex teretiuscula var. major W.D.J.Koch, Carex teretiuscula var. nana Gaudin, Carex teretiuscula var. ramosa Boott, Carex teretiuscula var. tenella C.L.Beckm., Caricina teretiuscula (Gooden.) St.-Lag., Physiglochis teretiuscula (Gooden.) Raf., Vignea diandra (Schrank) Soj?, Vignea teretiuscula (Gooden.) Rchb.]
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  • Japan Flora
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Japan Flora: Rhizomes short-creeping; culms tufted, slender, 50-80 cm. long, obtusely angled, scabrous above; leaf­blades flat, 2-2.5 mm. wide, scabrous on the margins; inflores­cence ovate to oblong, 2-3.5 cm. long, ebracteate; spikes numerous, crowded, androgynous, ovoid-globose, 5-7 mm. long; pistillate scales oval, acute, castaneous, with whitish, somewhat translucent margins; perigynia coriaceous, lustrous, longer than the scales, broadly ovoid, 3 mm. long, spreading, dark chestnut-brown at maturity, thick-biconvex, indistinedy 3- to 5-nerved at base, obtusely margined, stipitate, abrupdy beaked, the beak moderately long, setulose-scabrous on mar­gins, the tip almost entire; style bifid. June-July. Swamps. 

Hokkaido, Honshu (Shimokita Penin, in Mutsu and Izunano- hara in Shinano Prov.); rather rare. Sakhalin, s. Kuriles, and widely dispersed in the cooler regions of the N. Hemi­sphere.

Carex diandra
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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