Carex sect. Dornera Heuffel (Q165)

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

    Statements

    taxon/id/Carex sect. Dornera Heuffel
    0 references
    Carex sect. Dornera Heuffel
    Carex sect. Dornera
    Heuffel
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    North America
    Eurasia
    Plants loosely or densely cespitose, short-rhizomatous;
    rhizomes dark-brown, stout, sometimes inconspicuous.
    Culms brown at base.
    Leaves: basal sheaths not fibrous;
    blades V-shaped in cross-section when young, 1.5–4 mm wide, glabrous.
    Inflorescences a solitary spike;
    spike androgynous.
    Proximal pistillate scales deciduous before perigyinia, apex obtuse to acute.
    Perigynia erect but eventually spreading, proximal somewhat reflexed at maturity, veinless, lanceolate to broadly lanceolate, rounded-trigonous to biconvex, 3–5 mm, base rounded and stipitate, margins rounded, apex tapering to gradually formed beak, somewhat glossy, glabrous;
    beak less than 2 mm including teeth, obliquely cleft, sometimes slightly bidentate.
    Stigmas (2–) 3.
    Achenes usually trigonous, smaller than bodies of perigynia;