Northeastern Asian Flora
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Rotala mexicana Cham. & Schltdl.   (redirected from: Hypobrichia spruceana Benth.)
Family: Lythraceae
[Ammannia leptopetala Blume, moreAmmannia littorea Miq., Ammannia mexicana (Cham. & Schltdl.) Baill., Ammannia pentandra Roxb., Ammannia pygmaea Kurz, Ammannia rosea Poir., Hypobrichia spruceana Benth., Rotala leptopetala (Blume) Koehne, Rotala leptopetala var. littorea (Miq.) Koehne, Rotala littorea (Miq.) Nakai, Rotala mexicana subsp. pusilla (Tul.) Koehne, Rotala mexicana var. spruceana (Benth.) Koehne, Rotala pentandra (Roxb.) Blatt. & Hallb., Rotala pusilla Tul., Rotala rosea (Poir.) C.D.K.Cook, Rotala verticillaris L., Rotala verticillaris var. spruceana (Bentham) Hiern]
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  • Japan Flora
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Japan Flora: Glabrous reddish annual 3-10 cm. high, usually creeping and branching at base, erect in upper part, rather soft; leaves 3- to 4(-5)-verticillate, narrowly lanceolate to broadly linear, 6-10 mm. long, L5-2 mm. wide, truncate and often bimucronate, narrowed to a sessile base; flowers solitary in axils, sessile, about 0.8 mm. long, redcUsh, usually 5-merous, the bracteoles thinly membranous, linear, as long as the calyx; calyx semiglobose in fruit, the lobes deltoid; stamens 2 or 3; capsules globose, about twice as long as the calyx; style ab¬sent. Aug.-Oct. Paddy fields and wet places in lowlands;

Honshu, Shikoku, Kyushu; common. The Tropics and warm-temperate regions of the world.

Rotala mexicana
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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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