Carex hitchcockiana Dewey (Q218)

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Carex hitchcockiana is a taxon with the rank species within the section Carex sect. Griseae
Language Label Description Also known as
English
Carex hitchcockiana Dewey
Carex hitchcockiana is a taxon with the rank species within the section Carex sect. Griseae

    Statements

    taxon/id/Carex hitchcockiana Dewey
    0 references
    Carex hitchcockiana Dewey
    Carex hitchcockiana
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex de Hitchcock (French)
    Hitchcock's sedge (English)
    hairy grey sedge (English)
    hairy wood sedge (English)
    Carex de Hitchcock (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.
    forests
    diverse vascular plant communities
    calcium-rich loams
    slopes
    streams
    Plants densely cespitose;
    rhizome internodes 1.8–2.5 mm thick.
    Culms yellowbrown to dark-brown at base, 15–60 cm.
    Leaves: sheaths hispidulous;
    blades green, widest blades (3–) 3.4–5.4 (–6.5) mm wide, glabrous abaxially or sparsely hispidulous on midrib.
    Inflorescences 0.19–0.48 of culm height;
    peduncles of lateral spikes smooth or barely scaberulous;
    peduncles of terminal spikes (4.2–) 7.5–37 (–43) mm, much exceeding lateral spikes;
    proximal bract with sheath tight, abaxially scabrous, sheath front apex convex, elongated (0.6–) 1.6–4.9 (–6.6) mm beyond apex;
    ligules 3.3–5 mm;
    Spikes 3–5, separate or distal 2–4 spikes overlapping;
    lateral spikes pistillate, with 2–7 perigynia, 6–29 × 3.8–6.8 mm, ratio of spike length (in mm) to flower number = 3.5–4.8;
    longest terminal spikes 14–34 (–42) × 1.3–3 (–3.5) mm.
    Pistillate scales (4.1–) 5.6–9.4 (–11.6) × 1.6–2.6 (–3.3) mm, margins whitish, denticulate, apex with awn 1.1–6.8 mm.
    Staminate scales 5.2–6.9 × 1.5–1.7 mm.
    Anthers 3.4–4.2 mm.
    Perigynia distichously imbricate, 52–59-veined, unwrinkled, obovoid or narrowly obovoid, obtusely triangular in cross-section, (4.5–) 4.6–5.6 (–6.2) × 1.9–2.2 (–2.3) mm, (2.1–) 2.3–2.8 (–3) times as long as wide, dull, base gradually tapered, apex abruptly contracted;
    beak excurved, (0.5–) 0.8–1.3 mm.
    Achenes obovoidellipsoid, 3.2–3.9 (–4.2) × (1.6–) 1.8–2.1 mm, tightly enveloped by perigynia;
    stipe bent 45–70°, 0.4–0.6 mm;
    beak bent more than 90°, 0.3–0.5 mm.