Northeastern Asian Flora
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Eleocharis yokoscensis (Franch. & Sav.) T.Tang   (redirected from: Eleocharis acicularis var. longiseta Svenson)
Family: Cyperaceae
[Eleocharis acicularis f. longiseta (Svenson) T.Koyama, moreEleocharis acicularis subsp. yokoscensis (Franch. & Sav.) T.V.Egorova, Eleocharis acicularis var. longiseta Svenson, Eleocharis svensonii Zinserl., Heleocharis acicularis var. longiseta Svens., Heleocharis svensonii Zinserl., Scirpus yokoscensis Franch. & Sav.]
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  • Japan Flora
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Japan Flora: Rhizomes nearly absent; culms filiform to capillary, 3-10 cm. long, sulcate, deep green, the sheaths 2-10 mm. long, often partially reddish; spikelets few-flowered, nar­rowly ovoid to broadly lanceolate, 2-4 mm. long, compressed, acute, pale green and usually pardy sanguineous; scales nar­rowly ovate, hyaline; achenes narrowly obovate, 1 mm. long, raised-reticulate with several longitudinal ribs and very many transverse lines, the style base depressed, triangular,conical, the bristles 3-4a unequal, much longer than the achene.  June-Sept. Common in wet places especially in paddy fields.

Hokkaido, Honshu, Shikoku, Kyushu. e. Siberia, Man­churia, Korea, China, Ryukyus, and Formosa.  

Eleocharis yokoscensis
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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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