Difference between revisions of "Alisma plantago-aquatica"
Sp. Pl. 1: 342. 1753.
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
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|elevation=200 m | |elevation=200 m | ||
|distribution=Alaska;Eurasia. | |distribution=Alaska;Eurasia. | ||
| − | |discussion=<p>The name Alisma plantago-aquatica has been used in a variety of North American floras. We are following, however, the treatment of I. Björkqvist (1968), in which the native distribution of A. plantago-aquatica is restricted to Eurasia.</p> | + | |introduced=true |
| + | |discussion=<p>The name <i>Alisma plantago-aquatica</i> has been used in a variety of North American floras. We are following, however, the treatment of I. Björkqvist (1968), in which the native distribution of <i>A. plantago-aquatica</i> is restricted to Eurasia.</p> | ||
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|references={{Treatment/Reference | |references={{Treatment/Reference | ||
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name=Alisma plantago-aquatica | name=Alisma plantago-aquatica | ||
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|authority=Linnaeus | |authority=Linnaeus | ||
|rank=species | |rank=species | ||
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|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
|publication year=1753 | |publication year=1753 | ||
| − | |special status= | + | |special status=Introduced |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V22/V22_221.xml |
|genus=Alisma | |genus=Alisma | ||
|species=Alisma plantago-aquatica | |species=Alisma plantago-aquatica | ||
Latest revision as of 21:30, 5 November 2020
Herbs, to 1 m. Leaves emersed, petiolate; blade linear-lanceolate to broadly elliptic to ovate, to 30 × 1–12 cm. Inflorescences to 1 m. Flowers chasmogamous; sepals 1.7–3.2 mm; petals purplish white to purplish pink, 3.4–6.4 mm, margins ± erose, apex obtuse; anthers ellipsoid, 0.7–1.4 mm; style ± straight, 0.6–1.5 mm, exceeding ovary length. Fruiting heads 4–6.5 mm diam; achenes ovoid, 1.7–3.1 mm, abaxial keels broadly rounded, with 1 median abaxial groove, rarely 2, beak erect or nearly erect. 2n = 14 (Eurasian material).
Phenology: Flowering and fruiting late summer.
Habitat: Stream margins
Elevation: 200 m
Distribution
Introduced; Alaska, Eurasia.
Discussion
The name Alisma plantago-aquatica has been used in a variety of North American floras. We are following, however, the treatment of I. Björkqvist (1968), in which the native distribution of A. plantago-aquatica is restricted to Eurasia.