Carex formosa Dewey (Q237)

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

    Statements

    taxon/id/Carex formosa Dewey
    0 references
    Carex formosa Dewey
    Carex formosa
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex joli (French)
    handsome sedge (English)
    awnless graceful sedge (English)
    Handsome sedge (English)
    carex joli (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.
    mesic to dry deciduous forests
    ravines
    moist meadows
    calcareous soils
    Plants densely cespitose.
    Culms dark maroon at base;
    flowering-stems 0.5–1 mm thick, 30–80 cm, longer than leaves at maturity, glabrous but scabrous on angles within inflorescence.
    Leaves: basal sheaths maroon, bladeless, pubescent, sometimes glabrous, others grading from marooon to green on back, white-hyaline, red dotted, and pilose on front;
    blades flat, 3–7 mm wide, glabrous on adaxial surface, pilose on abaxial surface and margins.
    peduncles of lateral spikes slender, to 10 cm, usually much longer than spikes, pubescent;
    of terminal spikes 25–50 mm, pubescent;
    proximal bracts nearly equaling but usually not exceeding inflorescences;
    sheaths 35–85 mm;
    blades 2.5–4.5 mm wide.
    Lateral spikes 2–4, 1 per node, well separated, drooping at maturity, pistillate except for 1 or 2 basal staminate flowers in each, with 8–25 perigynia per spike attached 1 mm apart, cylindric, 15–25 × 4–6 mm.
    Terminal spike gynecandrous, 15–30 × 5–6 mm in distal pistillate portion, 1.5–2 mm wide in proximal staminate portion.
    Pistillate scales pale hyaline tinged with chestnut-brown, broad green midrib red dotted, ovate, shorter than mature perigynia, apex acute to cuspidate, awn less than 1 mm, glabrous.
    Perigynia green, copiously red dotted, 2-ribbed with 7–12 fine veins on each face, loosely enveloping achene, ovoid-ellipsoid, 3.5–5 × 1.7–2 mm, membranous, base with short stipe, apex narrowing to abrupt beak, glabrous;
    beak minutely bidentate, less than 0.5 mm.
    Achenes substipitate, 2–2.5 × 1.4–1.5 mm.