Difference between revisions of "Alisma triviale"
Flora Americae Septentrionalis 1: 252. 1814.
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|common_names=Northern water-plantain;alisma commun | |common_names=Northern water-plantain;alisma commun | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
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|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication title=Flora Americae Septentrionalis | |publication title=Flora Americae Septentrionalis | ||
|publication year=1814 | |publication year=1814 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V22/V22_535.xml |
|genus=Alisma | |genus=Alisma | ||
|species=Alisma triviale | |species=Alisma triviale | ||
Revision as of 21:23, 27 May 2020
Herbs, to 1 m. Leaves emersed, petiolate; blade linear-lanceolate to broadly elliptic or oval, to 35 × 3–12 cm. Inflorescences to 1 m. Flowers chasmogamous; sepals 3–6 mm; petals white, 3.5–6 mm, margins ± erose, apex obtuse; anthers ovoid, 0.6–1 mm; style ± curved, 0.4–0.6 mm, equal to ovary length. Fruiting heads 4.1–7 mm diam; achenes ovoid, 2.1–3 mm, abaxial keel broadly rounded with 1 median abaxial groove, beak erect or nearly erect. 2n = 28.
Phenology: Flowering spring–fall.
Habitat: Shallow muddy ponds, stream margins, marshes, and ditches
Elevation: 0–2000 m
Distribution
Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Ont., P.E.I., Que., Sask., Alaska, Ariz., Calif., Colo., Conn., Idaho, Ill., Ind., Iowa, Kans., Maine, Mass., Mich., Minn., Mont., Nebr., Nev., N.H., N.Mex., N.Y., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.Dak., Utah, Vt., Wash., Wis., Wyo., n Mexico.
Discussion
I have seen no specimens from West Virginia, but although the species is to be expected there.
Selected References
None.