Carex supina subsp. spaniocarpa |
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spreading arctic sedge, weak arctic sedge |
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Habit | Plants loosely cespitose, usually long-rhizomatous. |
Culms | to 30 cm. |
Leaf | blades 3–15 cm × 1–1.5 mm. |
Spikes | staminate 5–15 × 1–2 mm; pistillate to 15 × 5 mm. |
Perigynia | yellow-green to brown, 2.5–3.3 × 1.2–2 mm; beak 0.4–0.9 mm. |
Achenes | obovoid, 1.7–2 × 1.3–1.4 mm. |
Pistillate | scales red-brown, margins hyaline, ovate to ovate-circular, 2–3.5 × 1.4–2.2 mm, apex subobtuse to acuminate, ± covering perigynium body. |
Staminate | scales light brown, margins hyaline, oblong-lanceolate, 3–4.5 × 1–1.8 mm, apex acute. |
2n | = 36. |
Carex supina subsp. spaniocarpa |
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Phenology | Fruiting summer. |
Habitat | Dry meadows and bluffs, rock outcrops, sandy soil on lakeshores and flood plains |
Elevation | 10–1300 m (0–4300 ft) |
Distribution |
AK; MN; BC; MB; NT; NU; ON; SK; YT; Greenland; nc Asia; ne Asia (Siberia, Russian Far East) |
Source | FNA vol. 23, p. 557. |
Parent taxa | |
Synonyms | C. spaniocarpa |
Name authority | (Steudel) Hultén: Acta Univ. Lund., n. s. 38: 365. (1942) |
Web links |