Centaurea melitensis Linnaeus (Q2998)

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

    Statements

    taxon/id/Centaurea melitensis Linnaeus
    0 references
    Centaurea melitensis Linnaeus
    Centaurea melitensis
    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 de Malte (French)
    Maltese starthistle (English)
    Maltese knapweed (English)
    tocalote (English)
    Maltese centaury (English)
    Napa thistle (English)
    Tocalote (English)
    Maltese star thistle or centaury (English)
    Napa thistle (English)
    croix de Malte (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/
    Widely
    Mexico (Baja California)
    Europe
    Africa
    Flowering mostly spring–summer (Apr–Jul).
    roadsides
    fields
    pine-oak woodlands
    chaparral
    agricultural areas
    Annuals, 10–100 cm, herbage loosely gray-tomentose and villous with jointed multicellular hairs, sometimes minutely scabrous, minutely resin-gland-dotted.
    Stems 1–few, few–many branched distally.
    Leaves: basal and proximal cauline petiolate or tapering to base, usually absent at anthesis, blades oblong to oblanceolate, 2–15 cm, margins entire to dentate or pinnately lobed;
    cauline long-decurrent, blades linear to oblong or oblanceolate, 1–5 cm, entire or dentate.
    Heads disciform, 1–few at branch tips, borne singly or in open leafy corymbiform arrays, sometimes clustered in distal axils, sessile or pedunculate.
    Involucres ovoid, 10–15 mm, loosely cobwebby-tomentose or becoming glabrous.
    Principal phyllaries: bodies ± stramineous, ovate, appendages purplish, spiny-fringed at base, each tipped by slender spine 5–10 mm.
    Inner phyllaries: appendages entire, acute or spine-tipped.
    corollas yellow, those of sterile florets 10–12 mm, slender, inconspicuous, those of fertile florets 10–12 mm.
    Cypselae dull white or light-brown, ca. 2.5 mm, finely hairy;
    pappi of many white, unequal, stiff bristles 2.5–3 mm. 2n = 24.