Comments
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Carex hirta was first collected in North America in 1877 in Amherst, Massachusetts, and in 1878 in Philadelphia, Pennsylvania. Completely glabrous forms, known from Eurasia, have not yet been found in North America.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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Culms trigonous in cross section, (10–)20–90 cm. Leaves: basal sheaths brown, reddish purple tinged, inner bands slightly fibrillose with age; sheaths spreading pubescent; ligules 2–8(–10.5) mm; blades spreading, 2.5–8 mm wide, pubescent, not papillose abaxially. Inflorescences 8–50 cm; spikes erect or ascending; proximal (1–)2–3 spikes pistillate; terminal 1–3 spikes staminate. Pistillate scales ovate, apex acute to acuminate, scabrous-awned, sparsely spreading-pubescent or glabrous. Staminate scales ovate, apex obtuse to acuminate, shortly scabrous-awned except sometimes the proximal, sparsely to densely spreading-white-pubescent. Perigynia 12–20-veined, 4.8–7.8 × 1.7–2.5 mm, ± densely spreading-pubescent; beak 1.5–2.7 mm, spreading-pubescent, teeth spreading, 0.8–1.7 mm. 2n = 112–114.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
introduced; N.S., Ont., P.E.I., Que.; Conn., Maine, Md., Mass., Mich., N.J., N.Y., Pa., Wis.; Eurasia; introduced New Zealand.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Flowering/Fruiting
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Fruiting Jun–Aug.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
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Dry to wet fields, ditches, roadsides, railroad embankments, disturbed stream banks, lakeshores, and open forests; 0–600m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA