Carex sect. Cyperoideae G. Don in J. C. Loudon (Q145)

From Canadian Flora Commons
Jump to navigation Jump to search
Carex sect. Cyperoideae is a taxon with the rank section within the genus Carex
Language Label Description Also known as
English
Carex sect. Cyperoideae G. Don in J. C. Loudon
Carex sect. Cyperoideae is a taxon with the rank section within the genus Carex

    Statements

    taxon/id/Carex sect. Cyperoideae G. Don
    0 references
    Carex sect. Cyperoideae G. Don
    Carex sect. Cyperoideae
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    Carex sect. Cyperoideae
    North America
    Eurasia
    Plants cespitose, shortly or inconspicuously rhizomatous.
    Culms brown at base.
    Leaves: basal sheaths somewhat fibrous;
    blades V-shaped in cross-section when young, glabrous.
    Inflorescences racemose, with 6–15 spikes;
    proximal bracts leaflike, sheathless, longest bract 5–20 (–25) cm, at least (3–) 5 times as long as inflorescence, lateral spikes gynecandrous, sessile, without prophylls;
    terminal spike gynecandrous.
    Proximal pistillate scales with apex acuminate to awned.
    Perigynia ascending, linear, flat, faintly veined on both faces, substipitate, base tapering, margins narrowly winged to (0.1–) 0.2 mm wide, apex tapering to beak, glabrous;
    beak with inconspicuous abaxial suture, apex bidentate.
    Achenes biconvex, smaller than bodies of perigynia;
    style deciduous, base persistent, not conspicuously enlarged.