Difference between revisions of "Alisma lanceolatum"
An Arrangement of British Plants (ed. 3) 2: 362. 1796.
Introduced
Treatment appears in FNA Volume 22.
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|distribution=Calif.;Oreg. | |distribution=Calif.;Oreg. | ||
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name=Alisma lanceolatum | name=Alisma lanceolatum | ||
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|authority=Withering | |authority=Withering | ||
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|publication title=An Arrangement of British Plants (ed. 3) | |publication title=An Arrangement of British Plants (ed. 3) | ||
|publication year=1796 | |publication year=1796 | ||
| − | |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_35.xml |
|genus=Alisma | |genus=Alisma | ||
|species=Alisma lanceolatum | |species=Alisma lanceolatum | ||
Latest revision as of 21:30, 5 November 2020
Herbs, to 70 cm. Leaves emersed, petiolate; blade lanceolate, 6–23 × 1–4.5 cm. Inflorescences to 70 cm. Flowers chasmogamous; sepals 1.6–3 mm; petals purplish pink, 4.4–6.5 mm, margins ± erose, apex acuminate; anthers ellipsoid, 0.6–1.1 mm; style ± curved, 0.4–0.6 mm, equaling ovary length. Fruiting heads 4–8 mm diam; achenes obovoid, 2–2.9 mm, with 1–2 abaxial grooves, beak erect. 2n = 26, 28 (Eurasian material).
Phenology: Flowering and fruiting summer–fall.
Habitat: Streams and marshes
Elevation: 0–500 m
Distribution
Introduced; Calif., Oreg.
Discussion
Selected References
Lower Taxa
None.