View source for Crocidium

{{Treatment/ID
|accepted_name=Crocidium
|accepted_authority=Hooker
|publications={{Treatment/Publication
|title=Fl. Bor.-Amer.
|place=1: 335, plate 118. 1834
|year=1834
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Crocidium
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Senecioneae]]</div><div class="higher-taxon"><small>genus</small>[[Crocidium]]</div></div>
|etymology=Greek krokis, downy fibers of woolen cloth, and - idium, diminutive, alluding to axillary tomentum
|volume=Volume 20
|mention_page=page 541
|treatment_page=page 641
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> (2–)4–12(–30) cm (usually glabrous but for axillary tomentum). <b>Stems</b> usually 1, erect, simple or branched near bases. <b>Leaves</b> (± fleshy) basal and cauline; alternate; petiolate (basal) or sessile; blades palmately nerved, spatulate or oblanceolate (basal) to lanceolate or linear, margins toothed or entire, faces glabrous or glabrate. <b>Heads</b> radiate, borne singly. <b>Calyculi</b> 0. <b>Involucres</b> ± hemispheric, 3–6+ mm diam. <b>Phyllaries</b> (veiny, often purple-tipped, each subtending a ray floret) persistent, 5–13+ in 1(–2) series, erect (reflexed in fruit), basally connate, elliptic to ovate, subequal, margins herbaceous to membranous. <b>Receptacles</b> dome-shaped to conic (heights equaling or greater than diameters), smooth, epaleate. <b>Ray</b> florets 5–13+, pistillate and fertile or neuter; corollas yellow (laminae conspicuous). <b>Disc</b> florets 12–60(–120+), bisexual, fertile; corollas yellow, tubes ± cylindric, longer than or equaling campanulate to cylindric throats, lobes 5, erect to spreading, deltate to lanceolate; style branches stigmatic in 2 lines, apices truncate-penicillate. <b>Cypselae</b> (stramineous to reddish brown) ± ellipsoid to fusiform, 5(–6)-nerved, ± papillate-hairy between nerves (papillae mucilaginous when wetted); pappi fragile or readily falling, usually of 20–40, white, barbellulate bristles (in 1 series), sometimes 0 on ray cypselae. <b>x</b> = 9.</span><!--

-->{{Treatment/Body
|distribution=w North America.
|discussion=<p>Species 1.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Crocidium
|author=John L. Strother
|authority=Hooker
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Asteraceae
|distribution=w North America.
|reference=None
|publication title=Fl. Bor.-Amer.
|publication year=1834
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1445.xml
|tribe=Asteraceae tribe Senecioneae
|genus=Crocidium
}}<!--

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