Carex virescens

Muhlenburg ex Willdenow

Sp. Pl. 4(1): 251. 1805.

Common names: Carex virescent
IllustratedEndemic
Treatment appears in FNA Volume 23. Treatment on page 483. Mentioned on page 4, 466, 467, 468, 469, 470, 482.

Culms 30–100 cm, sparsely pilose. Leaves: sheaths pilose; ligules longer than wide; blades 2–4 mm wide, pilose. Inflorescences: lateral spikes (18–)20–35 × 2.5–3.5 mm, proximal distant; terminal spike gynecandrous, at least 1/2 of flowers pistillate, 20–35(–40) mm. Pistillate scales ovate-circular, 1.5–2.5(–3.2) × 0.9–1.2 mm, apex of proximal obtuse, with awn to 0.5 mm, apex of distal acute to acuminate, as long as perigynia. Staminate scales ovate, 2.8–4.1 mm, apex obtuse to acuminate. Anthers (1–)1.6–2(–2.8) mm. Perigynia ascending, distinctly 7–12-veined, elliptic, trigonous in cross section, 1.9–2.5 × 1–1.4 mm, densely pilose; beak absent. Achenes 1.5–2 × 0.8–1.1 mm. 2n = 60.


Phenology: Fruiting late spring–early summer.
Habitat: Dry to wet-mesic deciduous forests, banks
Elevation: 0–1000 m

Distribution

V23 890-distribution-map.jpg

Ont., Que., Ark., Conn., Del., D.C., Ga., Ind., Ky., Maine, Md., Mass., Mich., Miss., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Carex virescens"
Peter W. Ball +
Muhlenburg ex Willdenow +
Carex virescent +
Ont. +, Que. +, Ark. +, Conn. +, Del. +, D.C. +, Ga. +, Ind. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Miss. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Va. +  and W.Va. +
0–1000 m +
Dry to wet-mesic deciduous forests, banks +
Fruiting late spring–early summer. +
Illustrated +  and Endemic +
Carex sect. Virescentes +
Carex virescens +
Carex sect. Porocystis +
species +