Carex cephalophora

Muhlenberg ex Willdenow
Sp. Pl. 4(1): 220. 1805.
Common names: Carex porte-tête
IllustratedEndemic
Treatment appears in FNA Volume 23. Treatment on page 295. Mentioned on page 287, 293, 296.

Plants without conspicuous rhizomes. Culms 20–60 cm, 2–3.5 mm wide basally, 0.5–1 mm wide distally. Leaves: sheaths tight, green, rarely white spotted, fronts hyaline, slightly thickened at mouth; ligules to 5 mm, longer than wide; widest leaf blades (1.9–)2.5–5 mm wide. Inflorescences forming dense heads, with 3–8 spikes, 0.6–2 cm × 5–10 mm; proximal bracts 1–5 cm; spikes with 4–20 ascending to spreading perigynia. Pistillate scales hyaline with green midvein, ovate, 1–1.8 × 0.8–1.4 mm, body not more than 1/2 length of perigynium, apex acuminate to short-awned. Anthers 0.7–1.3 mm. Perigynia pale green to pale yellow, veinless or to weakly 8-veined abaxially, 2.5–3.2 × 1.4–2 mm, body elliptic to circular, widest at 0.4–0.55 length of body, margins serrulate distally; beak 0.7–1.1 mm, apical teeth 0.3–0.5 mm. Achenes circular, 1 × 1 mm. 2n = 48.


Phenology: Fruiting late spring–early summer.
Habitat: Dry to wet-mesic deciduous or mixed forests, thickets, rarely open grassy habitats
Elevation: 50–500 m

Distribution

V23 510-distribution-map.jpg

Ont., Que., Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Mass., Md., Mich., Minn., Mo., Nebr., N.H., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Tex., Vt., Va., W.Va., Wis.

Discussion

The record of Carex cephalophora from California is referable to C. mesochorea.

Selected References

None.

Lower Taxa

None.

... more about "Carex cephalophora"
Peter W. Ball +
Muhlenberg ex Willdenow +
Carex porte-tête +
Ont. +, Que. +, Ala. +, Ark. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Mass. +, Md. +, Mich. +, Minn. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, Tenn. +, Tex. +, Vt. +, Va. +, W.Va. +  and Wis. +
50–500 m +
Dry to wet-mesic deciduous or mixed forests, thickets, rarely open grassy habitats +
Fruiting late spring–early summer. +
W2 +, Illustrated +  and Endemic +
Carex cephalophora +
Carex sect. Phaestoglochin +
species +