Northeastern Asian Flora
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Cyperus compressus L.   (redirected from: Cyperus compressus subsp. micranthus T.Koyama)
Family: Cyperaceae
[Cyperus brachiatus Poir., moreCyperus caffer G.Bertol., Cyperus compressus f. depauperatus Domin, Cyperus compressus subsp. micranthus T.Koyama, Cyperus compressus var. brachiatus (Poir.) Nees, Cyperus compressus var. capillaceus C.B.Clarke, Cyperus compressus var. compositus J.Presl & C.Presl & C.Presl, Cyperus compressus var. floribundus E.G.Camus, Cyperus compressus var. laxus E.G.Camus, Cyperus compressus var. pectiniformis (Schult.) C.B.Clarke, Cyperus compressus var. simplex J.Presl & C.Presl & C.Presl, Cyperus meyenii Nees, Cyperus myyenii Nees & Arn., Cyperus pectinatus Vahl, Cyperus pectiniformis Schult.]
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  • Japan Flora
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Japan Flora: An­nual; culms tufted, 10-40 cm. long; leaves 1-3 mm. wide; in­florescence simple, to 10 cm. long, with 1-5 ascending rays about 5 cm. long, rarely the rays abbreviated and the inflores­cence capitate, the bracts 2 or 3, longer than the inflorescence; spikelets linear, 1-2.5 cm. long, 2.5-3 mm. wide, strongly com­pressed, pale and somewhat yellowish at maturity, slightly lustrous; scales broadly ovate, 3-3.5 mm. long, obtuse, incon­spicuously several-nerved, the keel thick, green, with a slightly recurved awnlikc mucro about 0.7 mm. long at apex; achenes 1/3 as long as the scale, lustrous, 3-angled; stigmas 3. Aug.-Oct. Waste grounds, roadsides, seashores, quite common

Honshu (Kanto Distr. and westw.), Shikoku, Kyushu. Ryukyus, Formosa, China, India, and throughout the Tropics.

Cyperus compressus
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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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