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
![V23 889-distribution-map.jpg](/w/images/0/04/V23_889-distribution-map.jpg)
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.