Carex sect. Obtusatae (Tuckerman) Mackenzie in N. L. Britton et al. (Q310)

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Carex sect. Obtusatae is a taxon with the rank section within the genus Carex
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English
Carex sect. Obtusatae (Tuckerman) Mackenzie in N. L. Britton et al.
Carex sect. Obtusatae is a taxon with the rank section within the genus Carex

    Statements

    taxon/id/Carex sect. Obtusatae (Tuckerman) Mackenzie
    0 references
    Carex sect. Obtusatae (Tuckerman) Mackenzie
    Carex sect. Obtusatae
    (Tuckerman) Mackenzie
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    Carex sect. Obtusatae
    w and c North America
    Eurasia
    Plants not cespitose, long-rhizomatous.
    Culms redbrown to red-purple at base.
    Leaves: basal sheaths not or only slightly fibrous;
    blades V-shaped in cross-section when young, glabrous.
    Inflorescence 1 spike;
    spike androgynous.
    Proximal pistillate scales less than 10 mm, apex acuminate or cuspidate.
    Perigynia ascending, brown to reddish black, veinless or obscurely veined, broadly elliptic to obovate, terete to rounded-trigonous in cross-section, base rounded-cuneate, apex tapering or rounded to abrupt beak, glabrous;
    beak 0.5–1 mm, minutely bidentate.
    Achenes rounded-trigonous, almost as large as bodies of perigynia;