familyCyperaceae
genusCarex
sectionCarex sect. Lamprochlaenae
speciesCarex supina
subspeciesCarex supina subsp. spaniocarpa
Carex supina subsp. spaniocarpa
Acta Univ. Lund., n. s. 38: 365. 1942.
Illustrated
Basionym: Carex spaniocarpa Steudel Syn. Pl. Glumac. 2: 225. 1855
Revision as of 21:30, 27 May 2020 by imported>Volume Importer
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. 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. 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. 2n = 36.
Phenology: Fruiting summer.
Habitat: Dry meadows and bluffs, rock outcrops, sandy soil on lakeshores and flood plains
Elevation: 10–1300 m
Distribution
Greenland, B.C., Man., N.W.T., Nunavut, Ont., Sask., Yukon, Alaska, Minn., nc, ne Asia (Siberia, Russian Far East).
Discussion
Selected References
None.
Lower Taxa
None.