Northeastern Asian Flora
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Carex otaruensis Franch.   (redirected from: Carex peniculacea H.L?. & Vaniot)
Family: Cyperaceae
[Carex cardioglochis H.L?. & Vaniot, moreCarex mitoensis Ohwi, Carex otaruensis var. kadzuoana T.Koyama, Carex peniculacea H.L?. & Vaniot]
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  • Japan Flora
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Japan Flora: Tufted plant; culms 30-60 cm. long, acutely angled, scabrous above on the angles, firm; leaf-blades 3-5 mm. wide, rather flat, the basal sheaths bladeless, brownish to reddish, conspicuously fibrous-reticulate ventrally; spikes 4 or 5, ap­proximate or slightly distant, the terminal staminate, elongate- linear, 3-6 cm. long, the lateral pistillate, cylindric, 3-5 cm. long, the lower ones nodding to pendulous on long peduncles, the lower bracts leaf like; pistillate scales pale, often slightly brownish, narrowly oblong, acute; perigynia slightly longer than the scales, 2.5-3 mm. long, obovate, biconvex, nerveless, vivid green, glabrous, rather abruptly short-beaked with a hyaline emarginate tip; stigmas 2. May-June.  Bordering streams and in mountain ravines.

Hokkaido (sw. distr.), Hon­shu, Shikoku3 Kyushu; occasional.

Carex otaruensis
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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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