Carex sect. Squarrosae J. Carey (Q546)

From Canadian Flora Commons
Jump to navigation Jump to search
Carex sect. Squarrosae is a taxon with the rank section within the genus Carex
Language Label Description Also known as
English
Carex sect. Squarrosae J. Carey
Carex sect. Squarrosae is a taxon with the rank section within the genus Carex

    Statements

    taxon/id/Carex sect. Squarrosae J. Carey
    0 references
    Carex sect. Squarrosae J. Carey
    Carex sect. Squarrosae
    J. Carey
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    Carex sect. Squarrosae
    Temperate regions of e and mid w North America and temperate South America
    Plants cespitose or colonial, short to long rhizomatous.
    Culms brown or redbrown at base.
    Leaves: basal sheaths not fibrous;
    blades septate-nodulose, usually V-shaped in cross-section when young, usually glabrous.
    Inflorescences single spike or racemose, with 2–9 spikes;
    proximal bracts leaflike or threadlike, sheathless or sheath longer than diameter of stem, at least 3 times as long as inflorescence;
    lateral spikes pistillate or infrequently gynecandrous, larger spikes usually with more than 50 perigynia, pedunculate, prophyllate;
    terminal spike staminate or gyncecandrous.
    Proximal pistillate scales sometimes with narrow, indistinct body, apex obtuse to awned.
    Perigynia ascending to spreading, many-veined, sessile or shortly stipitate, inflated, obconic, round in cross-section, not more than 10 mm, base tapering or rounded-tapering, apex truncate, abruptly beaked, glabrous;
    beak 1.2–3.8, bidentate, teeth 0.3 mm or longer.
    Achenes trigonous, 1.2–3 mm, smaller than bodies of perigynia;
    style persistent or deciduous.