Carex lucorum

Willdenow ex Link

Enum. Hort. Berol. Alt. 2: 380. 1822.

Common names: Carex des forêts
Treatment appears in FNA Volume 23. Treatment on page 545. Mentioned on page 534.

Plants loosely cespitose; rhizomes horizontally spreading, pale brown to reddish brown, (5–)20–80 mm, slender. Culms 7–55 cm, scabrous distally; bases (remnants of old leaves) fibrous. Leaf blades pale to dark green, 0.7–3.6 mm wide, herbaceous, papillose to scabrous abaxially, papillose to scabrous adaxially, blades of distal cauline leaves poorly developed. Inflorescences with both staminate and pistillate spikes; peduncles of staminate spikes 0.7–13 mm; proximal nonbasal bracts leaflike, shorter than inflorescences. Spikes: proximal pistillate spikes 1–3 (basal spikes 0); cauline spikes overlapping or somewhat separated, with (2–)3–13 perigynia; staminate spikes 8–22.5 × 1.4–4.6 mm. Scales: pistillate scales pale or usually dark reddish brown, with narrow white margins, ovate to lanceolate, 2.7–4.3 × 0.8–2.4 mm, apex acute to long-acuminate; staminate scales obovate to lanceolate, 3.7–6.1 × 1–1.4 mm, obtuse to acute or acuminate. Anthers 1.9–4.6 mm. Perigynia yellowish green to pale olive, veinless, obovoid, 2.7–4.6 × 1.2–1.7 mm, as long as wide; beak straight, pale green to olive, occasionally with reddish brown tinge near apex, 0.9–1.6 mm, weakly ciliate-serrulate, apical teeth 0.1–0.6 mm. Stigmas 3. Achenes dark brown, obovoid to globose, obtusely trigonous in cross section, 1.3–2.2 × 0.9–1.6 mm.


V23 1031-distribution-map.jpg

N.B., N.S., Ont., Que., Conn., Ga., Ky., Maine, Mass., Mich., Minn., N.C., N.H., N.J., N.Y., Pa., R.I., S.C., Tenn., Va., Vt., Wis.


Varieties 2 (2 in the flora).

Selected References



1 Leaves usually 1.5+ mm wide; northeastern North America. Carex lucorum var. lucorum
1 Leaves usually less than 1.5 mm wide; Appalachian Mountains of southern Virginia to Georgia. Carex lucorum var. austrolucorum
... more about "Carex lucorum"
William J. Crins +  and Jeff H. Rettig +
Willdenow ex Link +
Carex des forêts +
N.B. +, N.S. +, Ont. +, Que. +, Conn. +, Ga. +, Ky. +, Maine +, Mass. +, Mich. +, Minn. +, N.C. +, N.H. +, N.J. +, N.Y. +, Pa. +, R.I. +, S.C. +, Tenn. +, Va. +, Vt. +  and Wis. +
Enum. Hort. Berol. Alt. +
Illustrated +  and Endemic +
Carex sect. Montanae +
Carex lucorum +
Carex sect. Acrocystis +
species +