Carex albicans Willdenow ex Sprengel (Q59)

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Carex albicans is a taxon with the rank species within the section Carex sect. Acrocystis
Language Label Description Also known as
English
Carex albicans Willdenow ex Sprengel
Carex albicans is a taxon with the rank species within the section Carex sect. Acrocystis

    Statements

    taxon/id/Carex albicans Willdenow ex Sprengel
    0 references
    Carex albicans Willdenow ex Sprengel
    Carex albicans
    Willdenow ex Sprengel
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    white-tinged sedge (English)
    bellow-beaked sedge (English)
    blunt-scale oak sedge (English)
    closely-covered sedge (English)
    dry woods sedge (English)
    carex à écailles marginées (French)
    Mexico
    Plants densely to loosely cespitose;
    rhizomes ascending or horizontally spreading, reddish-brown to dark reddish purple, 0–70 mm, slender.
    Culms 10–45 cm, smooth to scabrous distally;
    Leaf-blades pale to bright green, shorter to longer than culms, 0.8–2.5 mm wide, herbaceous, smooth to scabrous abaxially, papillose to scabrous adaxially.
    Inflorescences with both staminate and pistillate spikes;
    peduncles of staminate spikes 0.4–9.9 mm;
    proximal nonbasal bracts leaflike, shorter than inflorescences.
    Spikes: proximal pistillate spikes 1–4 (basal spikes 0);
    cauline spikes overlapping, proximal 2 spikes usually separated by less than 7 mm, with 4–14 perigynia;
    staminate spikes 5–14 × 0.5–1.8 mm.
    Scales: pistillate scales pale to dark reddish-brown, with narrow white margins, lanceolate to ovate or obovate, 2.2–3.4 × 0.4–1.8 mm, equaling or exceeding perigynia, apex usually acuminate, sometimes acute or mucronate;
    staminate scales lanceolate to ovate, 2.8–6 × 0.6–1.9 mm, apex acute to acuminate.
    Anthers 1.5–2.7 mm.
    Perigynia pale green, veinless, ellipsoid, 2.3–3.3 × 0.8–1.2 mm, longer than wide;
    beak straight, pale green, 0.6–1.1 mm, weakly ciliate-serrulate, apical teeth 0.1–0.4 mm.
    Achenes brown, ellipsoid, acutely trigonous in cross-section, 1.2–1.7 × 0.7–1.3 mm.