View source for Silybum

{{Treatment/ID
|accepted_name=Silybum
|accepted_authority=Adanson
|publications={{Treatment/Publication
|title=Fam. Pl.
|place=2: 116, 605. 1763
|year=1763
}}
|common_names=Milk thistle
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Cardueae;Silybum
|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>[[Silybum]]</div></div>
|etymology=Greek silybon, a kind of thistle
|volume=Volume 19
|mention_page=page 66, 82, 83
|treatment_page=page 164
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals </b>or biennials, taprooted, 15–300 cm, herbage glabrous, puberulent, or slightly tomentose, spiny. <b>Stems</b> erect, usually simple. <b>Leaves</b> basal and cauline; petiolate (basal and proximal cauline) or sessile (distal cauline); blades adaxially variegated, margins dentate and often coarsely pinnately lobed, teeth and lobes spine-tipped, glabrous or puberulent. <b>Heads</b> discoid, borne singly, terminal and in distal axils. (Peduncles with reduced leaflike bracts.) Involucres ovoid to spheric, 15–60 mm diam. <b>Phyllaries</b> many in 4–6 series, unequal, outer and mid with appressed bases and spreading, lanceolate to ovate, spiny-fringed, terminal appendages, at least mid spine-tipped, innermost with erect, flat, entire, spineless apices. <b>Receptacles</b> flat, epaleate, covered with whitish bristles. <b>Florets</b> 25–100+; corollas pink to purple, tubes slender, distally bent, abruptly expanded into short throats, lobes linear; stamen filaments connate, anther bases sharply short-tailed, anther appendages oblong; style branches: fused portions with slightly swollen subterminal nodes, distally cylindric, distinct portions minute. <b>Cypselae</b> ovoid, slightly compressed, not ribbed, apices with smooth, entire rims, glabrous, basal attachment scars slightly angled; pappi falling in rings, outer of many minutely barbed, basally connate, subulate scales, inner of minute smooth bristles. <b>x</b> = 17.</span><!--

-->{{Treatment/Body
|distribution=Mediterranean region.
|introduced=true
|discussion=<p>Species 2 (1 in the flora).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Silybum
|author=David J. Keil
|authority=Adanson
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Asteraceae
|distribution=Mediterranean region.
|introduced=true
|reference=None
|publication title=Fam. Pl.
|publication year=1763
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_170.xml
|tribe=Asteraceae tribe Cardueae
|genus=Silybum
}}<!--

-->[[Category:Treatment]][[Category:Asteraceae tribe Cardueae]]