Northeastern Asian Flora
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Cyperus polystachyos Rottb.   (redirected from: Pycreus odoratus var. hahnianus (Boeckeler) Stehl)
Family: Cyperaceae
[Chlorocyperus polystachyus (Rottb.) Rikli, moreCyperus boivinii Boeckeler, Cyperus caespitosus Poir., Cyperus chlorostachys Boeckeler, Cyperus circinatus Ridl., Cyperus fascicularis Poir., Cyperus gatesii Torr., Cyperus hahnianus Boeckeler, Cyperus incrassatus Beyr. ex Kunth, Cyperus liebmannii Steud., Cyperus litos Schult., Cyperus olidus Vahl, Cyperus olivaceus Vahl, Cyperus paniculatus Rottb., Cyperus polystachyos f. minor Cherm. ex K?., Cyperus polystachyos f. pernanus K?., Cyperus polystachyos var. brevispiculatus K.Z.How, Cyperus polystachyos var. caespitosus (Poir.) K?., Cyperus polystachyos var. circinatus (Ridl.) K?., Cyperus polystachyos var. fascicularis (Poir.) Kuntze, Cyperus polystachyos var. glaucescens Boeckeler, Cyperus polystachyos var. hahnianus (Boeckeler) K?., Cyperus polystachyos var. hookerianus C.B.Clarke, Cyperus polystachyos var. longispiculatus Suringar, Cyperus polystachyos var. macrostachyus Boeckeler, Cyperus polystachyos var. miser K?., Cyperus polystachyos var. pallidus Hillebr., Cyperus polystachyos var. paniculatus (Rottb.) C.B.Clarke, Cyperus polystachyos var. sanguineus K?., Cyperus polystachyos var. thouarsii (Kunth) K?., Cyperus scopellatus Rich., Cyperus sonderi J.A.Schmidt, Cyperus teretifructus Steud., Cyperus texensis Steud., Cyperus thouarsii Kunth, Pycreus caespitosus (Poir.) C.B.Clarke, Pycreus caespitosus var. minor Cherm., Pycreus odoratus Urb., Pycreus odoratus var. hahnianus (Boeckeler) Stehl, Pycreus paniculatus (Rottb.) Nees, Pycreus polystachyos (Rottb.) P.Beauv., Pycreus polystachyos var. brevispiculatus F.C.How ex Y.F.Deng, Pycreus polystachyos var. brevispiculatus (K.Z.How) L.K.Dai, Pycreus polystachyos var. circinatus (Ridl.) H.B.Naithani & S.N.Biswas, Pycreus polystachyos var. hahnianus (Boeckeler) C.B.Clarke, Pycreus polystachyos var. paniculatus (Rottb.) Donn.Sm.]
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  • Japan Flora
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Japan Flora: Rhizomes very short; culms tufted, 1 公-50 cm. long, obtusely 3-angled, stiff: leaves 1- 3 mm. wide; inflorescence simple, corymbose or capitate; bracts 3 to 5, much longer than the inflorescence; rays of in­florescence to 7 cm. long; spikelets fascicled, nearly erect, linear, laterally compressed, 1-2.5 cm. long, 1.5 mm. wide, usually somewhat reddish; scales nearly erect, narrowly ovate, 1.5-2 mm. long, rather obtuse; achenes half as long as the scale, narrowly obovate, compressed-biconvex, brown, some­what truncate at apex; stigmas 3, rarely 2. Aug.-Oct. Sandy places near seashores.

Honshu (Kanto Distr. and westw.), Shikoku, Kyushu. Widespread in warmer parts of the world.

Cyperus polystachyos
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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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