Northeastern Asian Flora
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Sagittaria pygmaea Miq.  
Family: Alismataceae
[Blyxa coreana (H.L?.) Nakai, moreHydrolirion coreanum H.L?., Sagittaria altigena Hand.-Mazz., Sagittaria sagittata var. oliocarpus Micheli, Sagittaria sagittifolia var. oligocarpa Micheli, Sagittaria sagittifolia var. pygmaea (Miq.) Makino]
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  • Japan Flora
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Japan Flora: Perennial herb; rhizomes short; stolons ab­sent; leaves rosulate, linear or linear-oblanceolate, 10-15 cm. long, 5-8 mm. wide, acute to acuminate with an obtuse dp, gradually narrowed to a sheath at base, petioles indistinct; scapes 10-25 cm. long, few-flowered; flowers in racemes; pistil- late flower solitary, sessile on the lowest node, the staminate flowers few, on pedicels 10-30 mm. long; petals rounded- obovate, &-10 mm. long; achenes narrowly obovate, about 3 mm. long, compressed, with a broad wing.  June-Oct. Muddy places, paddy fields, and ponds.

Honshu (exclusive of northernmost distr.), Shikoku, Kyushu. Korea, Formosa, and China.

Sagittaria pygmaea
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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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