Carex sect. Heleoglochin Dumortier (Q220)

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Carex sect. Heleoglochin is a taxon with the rank section within the genus Carex
Language Label Description Also known as
English
Carex sect. Heleoglochin Dumortier
Carex sect. Heleoglochin is a taxon with the rank section within the genus Carex

    Statements

    taxon/id/Carex sect. Heleoglochin Dumortier
    0 references
    Carex sect. Heleoglochin Dumortier
    Carex sect. Heleoglochin
    Dumortier
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    Carex sect. Heleoglochin
    Temperate regions of North America
    Eurasia
    n Africa
    Canary Islands
    and Australasia
    Plants densely cespitose, short-rhizomatous.
    Culms brown to dark-brown at base, not more than 1 mm wide distally.
    Leaves: basal sheaths not fibrous;
    blades V-shaped in cross-section when young, glabrous.
    Inflorescences compound, from evidently paniculate to often condensed, with numerous spikes;
    proximal bracts awl-shaped or bristlelike, others scalelike or absent, sheathless;
    lateral spikes androgynous or pistillate, sessile, without prophylls;
    terminal spikes androgynous.
    Proximal pistillate scales with apex acute to cuspidate.
    Perigynia usually spreading, strongly veined abaxially, obscurely veined or veinless adaxially, shortly stipitate, lance to deltate-ovate or obovate, unequally biconvex or planoconvex in cross-section, thick-walled or leathery, base tapered to rounded, with spongy tissue, margins acutely angled, apex ± abruptly beaked, glabrous;
    beak shortly bidentate, with abaxial suture.
    Achenes biconvex, smaller than bodies of perigynia;
    style deciduous, slightly thickened at base.