Northeastern Asian Flora
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Carex arenicola F.Schmidt   (redirected from: Carex spongiosa Ohwi)
Family: Cyperaceae
[Carex chaetorhiza Franch. & Sav., moreCarex chaetorhiza var. stenostachys Franch. & Sav., Carex spongiosa Ohwi, Carex yedoensis Boeckeler]
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  • Japan Flora
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Japan Flora: Rhi­zomes long-creeping; culms distant, 10-30 cm. long, scabrous; leaf-blades, 2-3 mm. wide, greenish; spikes several, androgy­nous, oval, 5-8 mm. long, densely aggregated into a narrow, ovate, bractless head; pistillate scales narrowly ovate, ferru- gineous-castaneous, acuminate; perigynia slightly longer than the subtending scales, ovoid, 3-4 mm. long, spreading, plano­convex, crescent-shaped in transverse section, faintly nerved, tightly inclosing the achene, margins acute, spongy-thickened at base, the long beak scabrous-margined, the tip membranous. May-June. Sandy grassy places in lowlands.

Hokkaido, Honshu, Kyushu; common. Korea, Ussuri, Sakhalin, and Kuriles.

Carex arenicola
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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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