Northeastern Asian Flora
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Acorus calamus L.   (redirected from: Acorus cochinchinensis (Lour.) Schott)
Family: Acoracae
[Acorus americanus (Raf.) Raf., moreAcorus angustatus Raf., Acorus angustifolius Schott, Acorus asiaticus Nakai, Acorus calamus var. americanus Raf., Acorus calamus var. angustatus Besser, Acorus calamus var. angustifolius (Scott) Engler, Acorus calamus var. spurius (Scott) Engler, Acorus calamus var. verus L., Acorus calamus var. vulgaris L., Acorus casia Bertol., Acorus cochinchinensis (Lour.) Schott, Acorus commersonii Schott, Acorus flexuosus Raf., Acorus gramineus var. crassispadix Lingelsh., Acorus griffithii Schott, Acorus latifolius Z.Y.Zhu, Acorus odoratus Lam., Acorus rumphianus S.Y.Hu, Acorus spurius Schott, Acorus tatarinowii Schott, Acorus terrestris Spreng., Acorus triqueter Turcz. ex Schott, Calamus aromaticus Garsault, Orontium cochinchinense Lour.]
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  • Japan Flora
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Japan Flora: Rhi­zomes 8-12 mm. in diameter, creeping; leaves 50-80 cm. long, 6-15 mm. wide, flat, acuminate, smooth, deep green, ensiform, with a prominent raised midrib, scarcely narrowed below, the sheathes flattened laterally; peduncle leaflike, shorter than the leaves, slightly flattened; bract (spathe) leaflike, 20-40 cm. long, 5-8 mm. wide; spadix sessile, terete, cyliudric, densely flowered, 4-7 cm. long, 6-10 mm. thick, ascending, light yel­low; anthers light yellow, slightly longer than the perianth. May-Aug. Shallow water along rivers.

Hokkaido, Hon­shu, Shikoku, Kyushu. Siberia, e. Asia, N. America, and Europe (introduced).

Acorus calamus
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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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