Difference between revisions of "Elatine americana"
Edinburgh J. Nat. Geogr. Sci. 1: 431. 1830.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Peplis americana | |name=Peplis americana | ||
|authority=Pursh | |authority=Pursh | ||
| + | |publication_title=Fl. Amer. Sept. | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication year=1830 | |publication year=1830 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V12/V12_214.xml |
|genus=Elatine | |genus=Elatine | ||
|species=Elatine americana | |species=Elatine americana | ||
Revision as of 18:16, 24 September 2019
Herbs, submersed, 1.5–5 cm. Stems ascending or prostrate, branched. Leaves green; stipules lanceolate, 0.5–0.6 mm, margins dentate, apex acute; petiole 0.5–3 mm; blade obovate to broadly spatulate, 3–8 × 0.5–3.5 mm, base attenuate or cuneate, apex rounded to shallowly emarginate. Pedicels to 0.1 mm, erect. Flowers cleistogamous when submersed; sepals (2–)3, equal or 1 reduced, oblong-ovate or widely lanceolate, 0.5 × 0.3–0.5 mm; petals 3, greenish white or pinkish white to reddish, elliptic or ovate, 0.6–1.2 × 0.5 mm; stamens 3; styles 3. Capsules oblong-ovoid, 3-locular, 1.5 mm diam. Seeds 9–12 per locule, slenderly cylindric, ± straight, 0.4–0.6 × (0.1–)0.2 mm; pits angular-hexagonal, length 2–3 times width, in 6(–8) rows, (13–)16–25(–30) per row. 2n = 36.
Phenology: Flowering summer–early fall.
Habitat: Muddy shorelines including estuaries, in water to 50 cm deep.
Elevation: 0–300(–900) m.
Distribution
Man., N.B., N.W.T., Ont., Que., Calif., Conn., Del., Ill., Maine, Mass., Mich., Minn., Mo., Mont., N.H., N.J., N.Y., N.C., Okla., Pa., R.I., S.Dak., Va.
Discussion
Selected References
None.