Carex petricosa Dewey (Q88)

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Carex petricosa is a taxon with the rank species within the section Carex sect. Aulocystis
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English
Carex petricosa Dewey
Carex petricosa is a taxon with the rank species within the section Carex sect. Aulocystis

    Statements

    taxon/id/Carex petricosa Dewey
    0 references
    Carex petricosa Dewey
    Carex petricosa
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    rock-dwelling sedge (English)
    rock sedge (English)
    stone sedge (English)
    carex des cailloux (French)
    Plants loosely cespitose;
    rhizomes slender, long.
    Culms 10–90 cm.
    Leaves: blades 1–3.5 mm wide.
    Inflorescences 3–12 (–22) cm;
    proximal internodes 10–60 (–100) mm;
    peduncles of proximal spikes to 8 cm;
    proximal bracts with blades 5–140 mm, sheaths cylindric, 5–25 (–35) mm, mouth 0.9–1.5 mm wide.
    Spikes 3–8;
    lateral spikes androgynous or pistillate, rarely some entirely staminate, the proximal inclined or pendent, 5–30 × 3–7 mm;
    terminal spike staminate or androgynous, 10–28 × 1.8–4 mm.
    Pistillate scales brown to black, oblong-obovate, 3–5.8 × 1.1–2 mm, apex obtuse to acute, sometimes shortly awned.
    Staminate scales brown or black with hyaline margins, oblongovate, 3.1–6.2 × 1–3 mm.
    Anthers 1.5–3 mm.
    Perigynia ascending, pale-yellow proximally, brown or black distally, 3–9-veined, lanceolate, 3.5–5.5 × 1.1–2.4 mm, margins ciliate-serrulate distally, apex tapered, shortly setose, sometimes setae confined to veins, or subglabrous;
    beak indistinct, to 0.5 (–1) mm.
    Achenes obovoid, 1.7–2.2 × 1–1.3 mm.