Centaurea calcitrapa Linnaeus (Q2993)

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Centaurea calcitrapa is a taxon with the rank species within the genus Centaurea
Language Label Description Also known as
English
Centaurea calcitrapa Linnaeus
Centaurea calcitrapa is a taxon with the rank species within the genus Centaurea

    Statements

    taxon/id/Centaurea calcitrapa Linnaeus
    0 references
    Centaurea calcitrapa Linnaeus
    Centaurea calcitrapa
    Linnaeus
    FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
    accepted
    centaurée chausse-trape (French)
    centaurée étoilée (French)
    centaurée chausse-trappe (French)
    chausse-trappe (French)
    purple starthistle (English)
    red starthistle (English)
    big-headed purple starthistle (English)
    Purple star-thistle (English)
    caltrops (English)
    chausse-trappe (English)
    centaurée chausse-trappe (English)
    1 reference
    Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/
    1 reference
    Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
    Europe
    Africa
    Flowering summer–autumn (Jun–Nov).
    Stems 1–several, often forming rounded mounds, puberulent to loosely tomentose.
    Leaves puberulent to loosely gray-tomentose, becoming ± glabrous, minutely resin-gland-dotted;
    proximal leaves petiolate, blades 10–20 cm, 1–3 times pinnately dissected, rosette with central cluster of spines;
    mid sessile, not decurrent, blades ovate, usually less than 10 cm, narrowly lobed;
    distal blades linear to oblong, entire to shallowly lobed.
    Heads disciform, borne singly or in leafy cymiform arrays, sessile or short-pedunculate.
    Involucres ovoid, 15–20 × 6–8 mm.
    Principal phyllaries: bodies greenish or stramineous, ovate, scarious-margined, appendages stramineous, spiny-fringed at base, each tipped by a stout spreading spine 10–25 mm.
    Inner phyllaries: appendages truncate, spineless.
    corollas purple, all ± equal, 15–24 mm;
    sterile corollas slender.
    Cypselae white or brown-streaked, 2.5–3.4 mm, glabrous;