Carex macloviana


Mém. Soc. Linn. Paris 4: 599. 1826.

Common names: Carex des Malouines
Synonyms: Carex incondita F. J. Hermann
Treatment appears in FNA Volume 23. Treatment on page 352. Mentioned on page 334, 342, 345, 350.

Plants densely cespitose. Culms (9–)16–60 cm. Leaves: sheath adaxially white-hyaline, summits usually U-shaped, rarely prolonged to 3 mm beyond collar; distal ligules 0.5–2.5(–3) mm; blades 2–6 per fertile culm, (4–)8–18 cm × (1.7–)2–3.6(–4) mm. Inflorescences stiffly erect, dense, brown or dark brown, 0.9–2.1 cm × 10–15(–18.5) mm; proximal internode 1.5–3.7(–4.8) mm; 2d internode 1–3 mm; proximal bracts scalelike or bristlelike, shorter than inflorescences. Spikes (3–)5–9, densely aggregated, ± individually indistinct, ovoid to broadly ovoid, 5.5–10.5 × 4–7 mm, base rounded to acute or tapered, apex truncate to tapered. Pistillate scales gold to brown, often reddish, sometimes with whitish or gold midstripe, ovate to broadly ovate, 2.7–3.5(–4) mm, shorter or longer and usually narrower than perigynia, margin, white-hyaline usually conspicuous, 0.03–0.25 mm wide, apex usually obtuse. Perigynia appressed-ascending to ascending-spreading, straw colored, gold, red-brown, or coppery, conspicuously 0–7(–11)-veined abaxially, conspicuously 0–3-veined adaxially, narrowly to broadly ovate, plano-convex to biconvex, occasionally ± flat around achene, 3.5–4.5 × (1.1–)1.3–2 mm, 0.4–0.5 mm thick, margin flat, including wing 0.2–0.5 mm wide, darker than perigynium body, ciliate-serrulate at least on distal body, pithlike tissue usually present in proximal perigynium walls in U-shape around achene, glossy metallic sheen; beak white, golden brown, red-brown, brown, or dark brown, usually white-hyaline at tip, cylindric, unwinged, ± entire for (0.4–)0.5–0.6(–0.9) mm, abaxial suture usually white, conspicuous, distance from beak tip to achene (1.2–)1.6–2.4 mm. Achenes usually elliptic, (1.2–)1.4–1.9 × 0.85–1.1 mm, 0.35–0.5 mm thick. 2n = 86.

Phenology: Fruiting summer–early fall.
Habitat: Mountain lake and river shores, moist meadows and slopes, bogs, and other wet areas, disturbed areas
Elevation: 0–3300 m


V23 609-distribution-map.jpg

Greenland, Alta., B.C., Nfld. and Labr. (Labr.), N.W.T., Que., Yukon, Alaska, Colo., Mont., Wyo., South America (Chile to Tierra del Fuego), Europe (Finland, Iceland, Norway, n Sweden).


Selected References


Lower Taxa

... more about "Carex macloviana"
Joy Mastrogiuseppe +, Paul E. Rothrock +, A. C. Dibble +  and A. A. Reznicek +
D’Urville +
Carex des Malouines +
Greenland +, Alta. +, B.C. +, Nfld. and Labr. (Labr.) +, N.W.T. +, Que. +, Yukon +, Alaska +, Colo. +, Mont. +, Wyo. +, South America (Chile to Tierra del Fuego) +, Europe (Finland +, Iceland +, Norway +  and n Sweden). +
0–3300 m +
Mountain lake and river shores, moist meadows and slopes, bogs, and other wet areas, disturbed areas +
Fruiting summer–early fall. +
Mém. Soc. Linn. Paris +
Illustrated +
Carex incondita +
Carex macloviana +
Carex sect. Ovales +
species +