View source for Centaurea scabiosa

{{Treatment/ID
|accepted_name=Centaurea scabiosa
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 913. 1753
|year=1753
}}
|common_names=Greater knapweed;hardheads;centaurée scabieuse
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Cardueae;Centaurea;Centaurea scabiosa
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Cardueae]]</div><div class="higher-taxon"><small>genus</small>[[Centaurea]]</div><div class="higher-taxon"><small>species</small>[[Centaurea scabiosa]]</div></div>
|volume=Volume 19
|mention_page=page 183
|treatment_page=page 185
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 30–150 cm. <b>Stems</b> 1–several, branches ascending, glabrous to ± hirsute. <b>Leaves</b> minutely hispid, resin-gland-dotted; basal and proximal cauline petiolate, blades 10–25 cm, margins usually 1–2-pinnately divided into linear or oblong segments; mid and distal cauline smaller, entire or once dissected. <b>Heads</b> borne singly or few in open cymiform arrays, pedunculate. <b>Involucres</b> ovoid to hemispheric, becoming campanulate, 15–25 mm. <b>Phyllaries</b>: bodies dark green, ovate (outer) to oblong-lanceolate (inner), glabrous or finely arachnoid, margins and erect appendages black, ± fringed distally with slender teeth, inner phyllaries with brownish scarious, expanded, erose dissected appendages. <b>Florets</b> many; corollas reddish purple (white), those of sterile florets 35–40 mm, often conspicuously enlarged, those of fertile florets 20–25 mm. <b>Cypselae</b> brown, 4.5–5 mm, puberulent; pappi of many unequal stiff bristles, white, 4–5 mm. <b>2n</b> = 20 (Russia), 40.</span><!--

-->{{Treatment/Body
|phenology=Flowering summer (Jun–Sep).
|habitat=Disturbed sites, pastures, sparingly escaped from cultivation, probably not persisting in all areas where reported
|elevation=50–1800 m
|distribution=B.C.;N.B.;Ont.;Que.;Conn.;Idaho;Iowa;Ky.;Maine;Mont.;N.H.;N.J.;N.Y.;N.Dak.;Ohio;Pa.;Utah;Wyo.;Europe.
|introduced=true
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Centaurea scabiosa
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering summer (Jun–Sep).
|habitat=Disturbed sites, pastures, sparingly escaped from cultivation, probably not persisting in all areas where reported
|elevation=50–1800 m
|distribution=B.C.;N.B.;Ont.;Que.;Conn.;Idaho;Iowa;Ky.;Maine;Mont.;N.H.;N.J.;N.Y.;N.Dak.;Ohio;Pa.;Utah;Wyo.;Europe.
|introduced=true
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Introduced
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_210.xml
|tribe=Asteraceae tribe Cardueae
|genus=Centaurea
|species=Centaurea scabiosa
}}<!--

-->[[Category:Treatment]][[Category:Centaurea]]