Difference between revisions of "Elatine brachysperma"
Proc. Amer. Acad. Arts 13: 361, 363. 1878.
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|species=Elatine brachysperma | |species=Elatine brachysperma | ||
Latest revision as of 19:17, 5 November 2020
Herbs, submersed or emersed on wet substrates, 0.5–3(–5) cm. Stems ascending or prostrate, branched. Leaves reddish green; stipules lanceolate, 0.5–0.6 mm, margins dentate, apex acute; petiole (0–)1–3 mm; blade narrowly oblong to ovate, 3–8 × 1–3 mm, base cuneate to rounded, apex rounded to obtuse. Pedicels 0–0.4 mm, erect. Flowers: sepals (2–)3, equal, oblong-ovate, 1.1–1.3 × 0.3 mm; petals 3, pinkish, elliptic or ovate, 1–1.5 × 0.5 mm; stamens 3; styles 3. Capsules globose, 3-locular, 1.1–1.7 mm diam. Seeds (6–)10–15 per locule, oblong, straight or curved to 30°, 0.3–0.5 × 0.1–0.3 mm; pits ± round, length 1–2 times width, in 6(–8) rows, (9–)14–17 per row.
Phenology: Flowering summer–early fall.
Habitat: Muddy shores, often of ponds or reservoirs.
Elevation: 0–1500(–2200) m.
Distribution
B.C., Ala., Ariz., Calif., Ga., Ill., La., Mont., Nebr., Nev., N.Mex., Ohio, Okla., Oreg., Tex., Wash., Wyo., Mexico (Baja California), South America (Argentina).
Discussion
Selected References
None.