familyNajadaceae
genusNajas
speciesNajas guadalupensis
subspeciesNajas guadalupensis subsp. guadalupensis
Difference between revisions of "Najas guadalupensis subsp. guadalupensis"
Treatment appears in FNA Volume 22.
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Revision as of 19:03, 24 September 2019
Stems 11–75 cm × 0.1–0.8 mm. Leaves 0.3–2.8 mm; sheath 1–1.9 mm wide, apex rounded; blade 0.2–1.8 mm wide, teeth 50–100 per side, invisible to unaided eye, apex acute to mucronate. Flowers 1–3 per axil. Staminate flowers 1.5–2.5 mm; anther 4-loculed. Pistillate flowers 1.5–2 mm. Seeds 1.2–2.5 × 0.4–0.6 mm; aeroleareoles of testa in 20 longitudinal rows. 2n = 24.
Phenology: Flowering early summer–fall.
Habitat: Lakes, rivers, and canals
Elevation: 0–1500 m
Distribution
Alta., Ont. Que., Ala., Ariz., Ark., Calif., Colo., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Mont., Nebr., Nev., N.H., N.J., N.Y., N.C., Ohio, Okla., Oreg., Pa., R.I., S.C., S.Dak., Tenn., Tex., Utah, Vt., Va., Wash., W.Va., Wis., Mexico, West Indies, Central America, South America.
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Najas guadalupensis subsp. guadalupensis"
Alta. +, Ont. Que. +, Ala. +, Ariz. +, Ark. +, Calif. +, Colo. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Mont. +, Nebr. +, Nev. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Oreg. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Utah +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Mexico +, West Indies +, Central America + and South America. +
Beitrage zur Kenntniss der Gattung Najas +
1870 +
Weedy +
Najas guadalupensis subsp. guadalupensis +
Najas guadalupensis +
subspecies +