Carex complanata

Torrey & Hooker

Ann. Lyceum Nat. Hist. New York 3: 408. 1836

Illustrated
Treatment appears in FNA Volume 23. Treatment on page 484. Mentioned on page 482, 483.

Culms 20–75 cm, glabrescent. Leaves: sheaths sparsely pilose, but usually densely pilose at mouth; ligules shorter than wide; blades 1.5–4 mm wide, glabrescent, or often persistently pilose proximally. Inflorescences: lateral spikes approximate or proximal distant, 6–15 × 4–5 mm; terminal spike gynecandrous, at least 1/2 of flowers pistillate, 14–25 mm. Pistillate scales ovate, 1.9–3(–3.5) × (0.8–)0.9–1.5(–1.7) mm, shorter than to equaling perigynia, apex acute to acuminate, sometimes with awn to 0.5 mm. Staminate scales oblong-obovate, 2.7–5.3 mm, apex acuminate or short-awned. Anthers 1.5–2.2 mm. Perigynia ascending, 5–18-veined, obovate-circular, ± trigonous in cross section, 2–3.5 × 1.1–2.1 mm, not papillose, glabrous or sparsely pilose; beak absent. Achenes 1.6–2.3 × 0.9–1.5 mm.


Phenology: Fruiting late spring–early summer.
Habitat: Dry open woods, neutral to acidic soils
Elevation: 0–500 m

Distribution

V23 892-distribution-map.jpg

Ala., Ark., Del., D.C., Fla., Ga., Iowa, La., Md., Miss., Mo., N.J., N.C., S.C., Tenn., Tex., Va., Mexico.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Carex complanata"
Peter W. Ball +
Torrey & Hooker +
Ala. +, Ark. +, Del. +, D.C. +, Fla. +, Ga. +, Iowa +, La. +, Md. +, Miss. +, Mo. +, N.J. +, N.C. +, S.C. +, Tenn. +, Tex. +, Va. +  and Mexico. +
0–500 m +
Dry open woods, neutral to acidic soils +
Fruiting late spring–early summer. +
Ann. Lyceum Nat. Hist. New York +
Illustrated +
Carex sect. Virescentes +
Carex complanata +
Carex sect. Porocystis +
species +