Carex swanii
Bull. Torrey Bot. Club 37: 246. 1910.
Culms 15–75 cm, sparsely pilose. Leaves: ligules longer than wide; blades 1.5–3 mm wide, pilose. Inflorescences: lateral spikes 5–15(–19) × 2–4 mm, proximal distant; terminal spike gynecandrous, at least 1/2 flowers pistillate, (5–)11–20 mm. Pistillate scales ovate, 1.3–2.4 × 0.6–1.4 mm, apex acute to acuminate, with awn to 0.5 mm, as long as perigynia. Staminate scales ovate, 2.4–4.1 mm, apex obtuse to acuminate. Anthers 0.7–1.3(–1.6) mm. Perigynia ascending, obscurely 5–13-veined, obovate-circular, trigonous in cross section, 1.7–2.4 × 1–1.5 mm, densely pilose; beak absent. Achenes 1.4–1.8 × 0.8–1.1 mm. 2n = 54.
Phenology: Fruiting late spring–early summer.
Habitat: Dry to wet-mesic forests, scrub
Elevation: 0–1000 m
Distribution
N.B., N.S., Ont., Que., Ark., Conn., Del., D.C., Ga., Ill., Ind., Ky., Maine, Mass., Md., Mich., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Tenn., Vt., Va., W.Va., Wis.
Discussion
Selected References
None.