Carex willdenowii Schkuhr ex Willdenow (Q497)

From Canadian Flora Commons
Jump to navigation Jump to search
Carex willdenowii is a taxon with the rank species within the section Carex sect. Phyllostachyae
Language Label Description Also known as
English
Carex willdenowii Schkuhr ex Willdenow
Carex willdenowii is a taxon with the rank species within the section Carex sect. Phyllostachyae

    Statements

    taxon/id/Carex willdenowii Schkuhr ex Willdenow
    0 references
    Carex willdenowii Schkuhr ex Willdenow
    Carex willdenowii
    Schkuhr ex Willdenow
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex de Willdenow (French)
    Willdenow's sedge (English)
    Willdenow’s 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/
    acidic
    dry mesic
    oak-dominated woodlands
    ridges
    slopes
    Culms erect or spreading, (3.1–) 8.2–29.7 cm, 0.4–0.9 of total plant height.
    Leaves: basal sheaths pale to medium brown;
    blades green, exceeding culms, 1.3–3.2 mm wide, herbaceous, margins green, smooth or slightly scabrous.
    Lateral spikes (0–) 2–4, basal, on widely spreading to nodding peduncles.
    Terminal spike with staminate portion 3–29-flowered, 3.4–8.6 (–10.3) × 0.7–1.4 mm;
    Pistillate scales green, margins hyaline, white, often with reddish-brown tinge, 1.6–2.22 mm wide, not more than 1.5 times as wide as and not concealing perigynia, apex attenuate into green awns;
    distal scales with hyaline margins 0.3–0.8 mm, apex acute, awnless.
    Staminate scales green or tinged with brown subapically, 1.4–2.8 × 1.8–2.2 mm, margins free but enfolding scales above, hyaline, white, apex obtuse, erose.
    Anthers 0.9–1.1 mm.
    Perigynia 3–9 per spike, pale green to olive or pale-brown, unspeckled, narrowly ovoid to lanceovoid, (4.5–) 4.9–5.7 (–6.5) × 1.2–1.7 mm, 1.2–2.2 times as long as wide, tightly enveloping achenes, apex gradually tapering;
    beak (1.7–) 1.9–2.6 (–2.8) mm, scabrous.
    Stigmas filiform, flexuous, long, slender, strongly papillose.