Difference between revisions of "Elodea canadensis"
Flora Boreali-Americana 1: 20. 1803.
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|genus=Elodea | |genus=Elodea | ||
|species=Elodea canadensis | |species=Elodea canadensis | ||
Revision as of 15:59, 18 September 2019
Leaves mostly in 3s, spreading to recurved, linear, oblong, to ovate, 5–13 × (1.1–)2–5 mm, flat. Inflorescences: staminate spathes cylindric, 8.2–13.5 mm; peduncles abscissing just before or during anthesis; pistillate spathes cylindric, 8.3–17.5 mm. Flowers unisexual; staminate flowers: stamens 7–9(–18), pedicels detaching before or during anthesis; all filaments connate proximally, forming column; anthers 1.7–3 mm; pollen in tetrads; pistillate flowers: styles 2.6–4 mm. Seeds fusiform, 4–5.7 mm, basal hairs absent. 2n = 24 (Britain).
Phenology: Flowering summer.
Habitat: Waters, mostly calcareous, of lakes and rivers
Elevation: 0–2000 m
Distribution
B.C., Man., N.B., N.S., Ont., Que., Sask., Ala., Ark., Calif., Colo., Conn., Del., Fla., Idaho, Ill., Ind., Iowa., Kans., Ky., Maine, Md., Mass., Mich., Minn., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Oreg., Pa., R.I., S.Dak., Tenn., Utah, Vt., Va., Wash., W.Va., Wis., Wyo., Europe, Asia, Australia.
Discussion
Selected References
None.