Carex mackenziei

V. I. Kreczetowicz

in V. L. Komarov et al., Fl. URSS 3: 183. 1935.

Common names: Carex de Mackenzie
Illustrated
Basionym: Carex norvegica Willdenow ex Schkuhr Besch. Riedgräs. 1: 50, plate S, fig. 66. 1801,
Treatment appears in FNA Volume 23. Treatment on page 317. Mentioned on page 255, 312, 314.

Plants loosely cespitose; rhizomes short; stolons present, often long. Culms sometimes curved, slender, 10–40 cm. Leaves: sheaths gray-brown to pale brown abaxially, inner band thin, hyaline, often red tinged, summit prolonged, concave; ligules as long as wide; blades yellowish green to pale gray-green, flat, 5–20 cm × 1–3 mm, subequal or shorter than culms, soft. Inflorescences 1.5–5 cm × 7–12 mm; proximal bracts scalelike, sometimes bristlelike, shorter than spikes. Spikes 3–6, gynecandrous, proximal spikes separate, usually 1–1.5 cm apart, distal approximate, individually distinct, containing 5–15(–20) perigynia, oblong, 5–15 × 4–6 mm; terminal spike conspicuously staminate at base, long-clavate, 10–20 mm. Pistillate scales pale red-brown with lighter center and narrow hyaline margins, ovate, ± equaling, concealing perigynia, apex obtuse. Perigynia appressed-ascending, gray-green, often reddish dotted, often pale brown in age, finely several-veined, oblong-elliptic, 2.5–3.3 × 1.5–2 mm, widest near middle, coriaceous; beak entire or with few marginal teeth. Achenes pale brown to gray-brown, oblong, 1.75–2 × 1.25–1.5 mm, dull. 2n = 64.


Phenology: Fruiting Jun–Aug.
Habitat: Coastal and estuarine marshes, mostly brackish soils, seashores
Elevation: 0–600 m

Distribution

V23 556-distribution-map.jpg

Greenland, B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Alaska, Maine, Europe, Asia.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Carex mackenziei"
Heikki Toivonen +
V. I. Kreczetowicz +
Carex norvegica +
Carex de Mackenzie +
Greenland +, B.C. +, Man. +, N.B. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Alaska +, Maine +, Europe +  and Asia. +
0–600 m +
Coastal and estuarine marshes, mostly brackish soils, seashores +
Fruiting Jun–Aug. +
in V. L. Komarov et al., Fl. URSS +
Illustrated +
Carex mackenziei +
Carex sect. Glareosae +
species +