View source for Centaurea diluta

{{Treatment/ID
|accepted_name=Centaurea diluta
|accepted_authority=Aiton
|publications={{Treatment/Publication
|title=Hort. Kew.
|place=3: 261. 1789
|year=1789
}}
|common_names=North African knapweed
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Cardueae;Centaurea;Centaurea diluta
|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 diluta]]</div></div>
|volume=Volume 19
|mention_page=page 182, 183, 184, 193
|treatment_page=page 192
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals </b>or perennials, to 200 cm. <b>Stems</b> simple proximally, openly branched distally, glabrous or thinly hairy. <b>Leaves</b> thinly pubescent, basal and proximal cauline petiolate, blades 10–15 cm, margins coarsely pinnately lobed; mid cauline sessile or short-petiolate, short-decurrent, blades obovate or narrowly oblong, 2–8 cm, entire to pinnately lobed; distal cauline oblong, entire to irregularly lobed. <b>Heads</b> radiant, in open cymiform arrays, pedunculate. <b>Involucres</b> ovoid, 8–15 mm diam. <b>Principal</b> phyllaries: bodies greenish, ovate, scarious-margined, appendages stramineous to brown, scarious, fringed with slender teeth, tipped by slender spines 1–5 mm. <b>Innermost</b> phyllaries unarmed with brown, expanded, lacerate appendages. <b>Florets</b> many; corollas pink-purple, those of sterile florets 25–30 mm, enlarged, raylike, those of fertile florets ± 20 mm. <b>Cypselae</b> tan, 3–3.5 mm; pappi many, white, unequal bristles 3–5 mm. <b>2n</b> = 20.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring (Apr–Jun).
|habitat=Escaped from cultivation in disturbed sites
|elevation=0–100 m
|distribution=Calif.;Mo.;N.Y.;sw Europe;n Africa.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Centaurea diluta
|authority=Aiton
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering spring (Apr–Jun).
|habitat=Escaped from cultivation in disturbed sites
|elevation=0–100 m
|distribution=Calif.;Mo.;N.Y.;sw Europe;n Africa.
|introduced=true
|reference=None
|publication title=Hort. Kew.
|publication year=1789
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V19_224.xml
|tribe=Asteraceae tribe Cardueae
|genus=Centaurea
|species=Centaurea diluta
}}<!--

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