Carex gravida

L. H. Bailey

Mem. Torrey Bot. Club 1: 5. 1889.

Synonyms: Carex lunelliana Mackenzie
Treatment appears in FNA Volume 23. Treatment on page 296. Mentioned on page 286, 297.

Plants without conspicuous rhizomes. Culms (20–)30–100 cm, 2.5–8 mm wide basally, 0.7–1.6 mm wide distally. Leaves: sheaths usually loose, proximally green-and-white-striped, not white spotted, with conspicuous transverse veins on back, fronts hyaline, sometimes transversely rugose and red dotted, thin, white or hyaline and fragile at mouth; ligules 2–7 mm, shorter to longer than wide; widest leaf blades (3–)4–8 mm wide. Inflorescences with 5–15 spikes, 1–5 cm × 8–15 mm, occasionally compound, then somewhat larger; proximal bracts to 3 cm; spikes with 5–15 ascending to spreading perigynia; proximal internodes shorter than to 1.5 times as long as proximal spikes. Pistillate scales hyaline or brown with green, 1–3-veined center, ovate, 2.6–4.4 × 1.3–2.4 mm, body shorter to slightly longer than perigynium, apex acuminate to short-awned. Anthers 1.5–3 mm. Perigynia pale green to pale brown, veinless or 3–7(–12)-veined abaxially, rarely veined adaxially, 3.5–5.5 × 2–3 mm, body somewhat spongy, base thickened, margins serrulate distally; beak 0.6–1.6 mm, apical teeth 0.3–1 mm. Achenes circular to elliptic- circular, 1.8–2.1 × 1.6–2 mm.

Phenology: Fruiting late spring.
Habitat: Prairies, ditches, swales, open forests, usually on calcareous soils
Elevation: 100–1400 m


V23 512-distribution-map.jpg

Man., Ont., Sask., Ark., Colo., Ill., Ind., Iowa, Kans., Ky., Mich., Minn., Mo., Mont., Nebr., N.Mex., N.C., N.Dak., Ohio, Okla., Pa., S.Dak., Tenn., Tex., Va., Wis., Wyo.


Carex gravida is introduced in North Carolina.

Selected References


Lower Taxa

... more about "Carex gravida"
Peter W. Ball +
L. H. Bailey +
Man. +, Ont. +, Sask. +, Ark. +, Colo. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, Mich. +, Minn. +, Mo. +, Mont. +, Nebr. +, N.Mex. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Pa. +, S.Dak. +, Tenn. +, Tex. +, Va. +, Wis. +  and Wyo. +
100–1400 m +
Prairies, ditches, swales, open forests, usually on calcareous soils +
Fruiting late spring. +
Mem. Torrey Bot. Club +
Illustrated +  and Endemic +
Carex lunelliana +
Carex gravida +
Carex sect. Phaestoglochin +
species +