Carex muskingumensis Schweinitz (Q342)

From Canadian Flora Commons
Revision as of 15:37, 17 June 2022 by WikibaseAdmin (talk | contribs) (‎Changed an Item)
Jump to navigation Jump to search
Carex muskingumensis is a taxon with the rank species within the section Carex sect. Ovales
Language Label Description Also known as
English
Carex muskingumensis Schweinitz
Carex muskingumensis is a taxon with the rank species within the section Carex sect. Ovales

    Statements

    taxon/id/Carex muskingumensis Schweinitz
    0 references
    Carex muskingumensis Schweinitz
    Carex muskingumensis
    Schweinitz
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex de la rivière Muskingum (French)
    Muskingum sedge (English)
    swamp oval sedge (English)
    1 reference
    Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
    moist to wet deciduous flood plains
    lowland woods
    thickets
    Plants densely cespitose.
    Culms 40–100 cm;
    vegetative culms conspicuous, with spreading leaf-blades evenly along stem.
    Leaves: sheaths adaxially green-veined to within 3 mm of collar, adaxially firm, summits usually brown tinged, U or V-shaped, thick;
    distal ligules to 2 mm;
    blades 7–12 per fertile culm, 12–25 cm × 3–5 mm.
    Inflorescences open at least proximally, brown, (4–) 5–9 cm × 10–20 mm;
    proximal internode (4–) 5–15 mm;
    2d internode (3–) 5–11 mm;
    proximal bracts scalelike.
    Spikes 5–12, distant, distinct, lanceoloid, 12–28 × 3.5–7 mm, bases tapered, apex acute.
    Pistillate scales white-hyaline or pale-brown with pale-brown midstripe, oblongovate, 4–5 mm, 1/2 length of and narrower than perigynia, apex acute.
    Perigynia appressed-erect, pale-brown, conspicuously 5–7-veined abaxially, conspicuously 3–7-veined adaxially, lanceolate, flat to planoconvex, 6–9 × (1.5–) 2–2.5 mm, 0.3 mm thick, margin flat, including wing 0.2–0.4 mm wide;
    beak tip flat, ciliate-serrulate, abaxial suture inconspicuous, distance from beak tip to achene 3.1–4.5 mm.