Elatine minima

(Nuttall) Fischer & C. A. Meyer

Linnaea 10: 73. 1835.

Common names: Small waterwort élatine naine
Endemic
Basionym: Crypta minima Nuttall J. Acad. Nat. Sci. Philadelphia 1: 117, plate 6, fig. 1. 1817
Treatment appears in FNA Volume 12. Treatment on page 353. Mentioned on page 350.

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

V12 886-distribution-map.jpg

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.

Lower Taxa

None.
... more about "Elatine minima"
Hamid Razifard +, Gordon C. Tucker +  and Donald H. Les +
(Nuttall) Fischer & C. A. Meyer +
Crypta minima +
Small waterwort +  and élatine naine +
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. +  and Wis. +
0–400 m. +
Shores (sometimes intertidal) or in water to 2 m deep, sandy substrates mixed with organic debris, abandoned sunfish nests. +
Flowering summer. +
Crypta +
Elatine minima +
species +