Carex pensylvanica Lamarck in J. Lamarck et al. (Q68)

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Carex pensylvanica is a taxon with the rank species within the section Carex sect. Acrocystis
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English
Carex pensylvanica Lamarck in J. Lamarck et al.
Carex pensylvanica is a taxon with the rank species within the section Carex sect. Acrocystis

    Statements

    taxon/id/Carex pensylvanica Lamarck
    0 references
    Carex pensylvanica Lamarck
    Carex pensylvanica
    Lamarck
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex de Pennsylvanie (French)
    Pennsylvania sedge (English)
    Penn sedge (English)
    common oak sedge (English)
    Carex de Pennsylvanie (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/
    1 reference
    Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
    1 reference
    Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.
    well-drained
    acidic but cation-rich
    loamy soils
    hardwood forest canopies
    forest edges
    savannas
    `` balds ''
    sandy openings
    Plants loosely cespitose;
    rhizomes horizontally spreading, reddish-brown to dark-brown, (10–) 40–100 mm, slender.
    Culms 10–45 cm, smooth to weakly scabrous distally;
    bases (remnants of old leaves) slightly fibrous.
    Leaf-blades green, 0.5–3.6 mm wide, herbaceous, papillose to scabrous abaxially, papillose to scabrous adaxially, blades of distal cauline leaves well developed.
    Inflorescences usually with both staminate and pistillate spikes;
    peduncles of staminate spikes 0.1–7.5 mm;
    proximal cauline bracts leaflike, usually shorter than inflorescences.
    Spikes: proximal pistillate spikes 1–3 (–4) (basal spikes 0, rarely 1);
    cauline spikes overlapping or separated, with (3–) 4–13 perigynia;
    staminate spikes 8–24 × 1.3–4 mm.
    Scales: pistillate scales dark reddish-brown, with narrow white margins, ovate, 2–4 × 1.3–2.8 mm, equaling perigynium body, apex obtuse or acute to acuminate;
    staminate scales elliptic to ovate, 2.9–5.3 × 1.1–1.9 mm, apex obtuse or acute to acuminate.
    Anthers 1.8–4 mm.
    Perigynia pale green, veinless, obovoid, 2.2–3.4 × 1.1–1.5 (–1.7) mm;
    beak straight, pale green, 0.5–0.9 mm, weakly ciliate-serrulate, apical teeth 0.1–0.4 mm.