Bolboschoenus (Ascherson) Palla in W. D. J. Koch et al. (Q3384)

From Canadian Flora Commons
Jump to navigation Jump to search
Bolboschoenus is a taxon with the rank genus within the tribe Bolboschoeneae
Language Label Description Also known as
English
Bolboschoenus (Ascherson) Palla in W. D. J. Koch et al.
Bolboschoenus is a taxon with the rank genus within the tribe Bolboschoeneae

    Statements

    taxon/id/Bolboschoenus (Ascherson) Palla
    0 references
    Bolboschoenus (Ascherson) Palla
    Bolboschoenus
    (Ascherson) Palla
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    tuberous bulrush (English)
    Tuberous bulrush (English)
    Nearly worldwide
    Herbs, perennial, cespitose or not, rhizomatous.
    Culms solitary or not, cormose at base [except eastern Asian Bolboschoenus planiculmis (F. Schmidt) T. V. Egerova], sharply trigonous.
    Leaves basal and cauline;
    blades flat or V-shaped in cross-section, prominently keeled on abaxial surface, distally trigonous.
    Inflorescences terminal, subumbellate, subcorymbose, or capitate;
    spikelets to 80, mostly 4–10 mm diam.;
    involucral-bracts surpassing inflorescence 1–5, spreading or proximal erect, leaflike.
    Spikelets: scales 25 or more, spirally arranged, each subtending flower, abaxially puberulent, often glabrescent, tip notched and awned.
    Flowers bisexual;
    perianth of 3–6 bristles, straight or curved, shorter to slightly longer than achene, retrorsely spinulose;
    styles linear, 2–3-fid, base persistent.
    Achenes biconvex to trigonous, 2.3–5.5 mm, smooth.