Difference between revisions of "Elatine minima"
Linnaea 10: 73. 1835.
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|authority=Nuttall | |authority=Nuttall | ||
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| + | |publication_title=J. Acad. Nat. Sci. Philadelphia | ||
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name=Elatine minima | name=Elatine minima | ||
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|authority=(Nuttall) Fischer & C. A. Meyer | |authority=(Nuttall) Fischer & C. A. Meyer | ||
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|genus=Elatine | |genus=Elatine | ||
|species=Elatine minima | |species=Elatine minima | ||
Latest revision as of 19:18, 5 November 2020
Herbs, submersed or emersed on wet substrates, 0.2–3(–10) cm. Stems erect or ascending, usually unbranched, sometimes 1–2 branched. Leaves green; stipules lanceolate, 0.2 mm, margins entire, apex rounded; petiole 0–1 mm; blade elliptic to oblanceolate or spatulate, 0.3–5(–11) × 0.7–1.8(–4) mm, base rounded to truncate, apex obtuse-acute. Pedicels 0–0.2 mm, erect. Flowers cleistogamous when submersed; sepals 2, equal, ovate to oblong, 0.5 × 0.3 mm; petals 2, reddish, long-elliptic, elliptic, or ovate, 1–1.5 × 0.5 mm; stamens 2; styles 2. Capsules oblong-ovoid, 2-locular, 0.9–1.5 mm diam. Seeds 4–9 per locule, thickly cylindric to barrel-shaped, straight, 0.4–0.5(–0.7) × 0.2(–0.3) mm; pits elliptic, length 1.2–1.6 times width, in 8–9 rows, (11–)15–20 per row.
Phenology: Flowering summer.
Habitat: Shores (sometimes intertidal) or in water to 2 m deep, sandy substrates mixed with organic debris, abandoned sunfish nests.
Elevation: 0–400 m.
Distribution
St. Pierre and Miquelon, N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que., Sask., Conn., Del., Ill., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., N.C., Pa., R.I., S.C., Tenn., Vt., Va., Wis.
Discussion
Selected References
None.