Carex echinata Murray
  • Prod. Stirp. Gott.

Cite taxon page as 'WFO (2020): Carex echinata Murray. Published on the Internet; Accessed on: 01 Jun 2020'

General Information

Culms 10–90(–135) cm. Leaves 3–6 per culm; sheaths tight, inner band hyaline, 1.8–2.5 cm, apex concave, glabrous; ligules 0.6–2.5(–4.5) mm, rounded to ± acute; blades plicate, 5–40 cm × 0.7–3.3(–3.8) mm, widest leaf 1–3.3(–3.8) mm wide. Inflorescences 0.7–7.8 cm; spikes (2–)3–8; lateral spikes pistillate often with few staminate flowers proximally, 3–15.5 mm, sessile, staminate portion 7-flowered, to 8.2 mm, pistillate portion 3–32-flowered, 2.5–11 mm; basal 2 spikes 1.7–42 mm apart; terminal spike gynecandrous, 5–24 mm, staminate portion 2–17-flowered, 2–16.5 × 0.9–2 mm, pistillate portion 4–26-flowered, 2.6–9 × 4.9–9.1 mm. Pistillate scales ovate, (1.4–)2.1–3.1 × 0.7–2.3 mm, apex acute to sometimes obtuse. Staminate scales ovate-lanceolate to ovate, 1.3–3.8 × 0.8–1.7 mm, base clavate, apex acute. Anthers 0.8–1.6(–2) mm. Perigynia spreading to reflexed, castaneous to dark brown, 2–14-veined abaxially, 0–12-veined adaxially over achene, lanceolate to ovate, (2.65–)2.9–4.75 × 0.8–2.1 mm, (1.7–)1.8–3.2(–3.6) times as long as wide; beak (0.85–)0.95–2 mm, (0.4–)0.45–0.86 length of body, serrulate, teeth (0–)0.15–0.5 mm. Achenes ovate-lanceolate to rhombic-ovate, 1.3–2.1 × 0.8–1.55 mm. 2n = 58.

  • Provided by: [C].Flora of North America @
    • Source: [
    • 1
    • ]. 

    "Stems densely tufted, aphyllopodic, 1–6 dm, scabrous on the angles above; lvs 3–6 per stem, all in the basal third, to about as long as the stems, plicate, mostly 1–2.5 mm wide; spikes 3–7, sessile, small and few-fld, the terminal one with a conspicuous, slender, staminate base, some of the lateral ones often wholly pistillate; bracts small and inconspicuous; anthers 0.8–1.6 mm; perigynia 5–15, crowded, widely spreading or the lower reflexed, green or tan, planoconvex, spongy-thickened at base, lightly several- to many-nerved dorsally, few- to several-nerved or virtually nerveless ventrally, narrowly lance-triangular to move commonly lance-ovate or even ovate, 2.8–3.5(–4) mm, 1.8–3.2 times as long as wide, often serrulate-margined distally, with a prominent, slender, serrulate-margined, sharply bidentate beak 1–1.6 mm, half as long to almost as long as the body; achene lenticular; 2n=50–58. Swamps, bogs, and other wet places; circumboreal, s. to Va. (and in the mts. to N.C.), Ind., Io., Utah, and Calif. Ours is the widespread var. echinata. (C. angustior; C. cephalantha; C. josselynii; C. laricina; C. muricata, misapplied; C. stellulata)"

  • Provided by: [B].New York Botanical Garden
    • Source: [
    • 2
    • ]. 



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    • A CC0 1.0 Universal (CC0 1.0).
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Flora of North America @
    'Flora of North America @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • C Flora of North America Association
    World Flora Online consortium
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).