View source for Crocidium ← Crocidium You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{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-d0_s0" data-properties="whole-organism atypical some measurement;whole-organism atypical some measurement;whole-organism some measurement;whole-organism duration"><b>Annuals,</b> (2–) 4–12 (–30) cm (usually glabrous but for axillary tomentum).</span> <span class="statement" id="st-d0_s1" data-properties="stem quantity;stem orientation;stem architecture;stem architecture"><b>Stems </b>usually 1, erect, simple or branched near bases.</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Leaves </b>(± fleshy) basal and cauline;</span> <span class="statement" id="st-d0_s3" data-properties="">alternate;</span> <span class="statement" id="st-d0_s4" data-properties="leaf position;leaf position;leaf arrangement;leaf architecture;leaf architecture">petiolate (basal) or sessile;</span> <span class="statement" id="st-d0_s5" data-properties="blade architecture;blade shape;margin shape;margin shape;face pubescence;face pubescence">blades palmately nerved, spatulate or oblanceolate (basal) to lanceolate or linear, margins toothed or entire, faces glabrous or glabrate.</span> <span class="statement" id="st-d0_s6" data-properties="head architecture or arrangement;head arrangement"><b>Heads </b>radiate, borne singly.</span> <span class="statement" id="st-d0_s7" data-properties="calyculus presence"><b>Calyculi </b>0.</span> <span class="statement" id="st-d0_s8" data-properties="involucre shape;involucre diameter"><b>Involucres </b>± hemispheric, 3–6+ mm diam.</span> <span class="statement" id="st-d0_s9" data-properties="phyllarie duration;phyllarie quantity;phyllarie orientation;phyllarie fusion;phyllarie shape;phyllarie size;series atypical quantity;series quantity;margin texture"><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.</span> <span class="statement" id="st-d0_s10" data-properties="receptacle shape;receptacle architecture or pubescence or relief;receptacle architecture"><b>Receptacles </b>dome-shaped to conic (heights equaling or greater than diameters), smooth, epaleate.</span> <span class="statement" id="st-d0_s11" data-properties="ray-floret quantity;ray-floret architecture;ray-floret reproduction;ray-floret architecture"><b>Ray-</b>florets 5–13+, pistillate and fertile or neuter;</span> <span class="statement" id="st-d0_s12" data-properties="corolla coloration">corollas yellow (laminae conspicuous).</span> <span class="statement" id="st-d0_s13" data-properties="disc-floret atypical quantity;disc-floret quantity;disc-floret reproduction;disc-floret reproduction"><b>Disc-</b>florets 12–60 (–120+), bisexual, fertile;</span> <span class="statement" id="st-d0_s14" data-properties="corolla coloration;tube shape;tube length or size;throat shape;throat shape;lobe quantity;lobe orientation;lobe shape">corollas yellow, tubes ± cylindric, longer than or equaling campanulate to cylindric throats, lobes 5, erect to spreading, deltate to lanceolate;</span> <span class="statement" id="st-d0_s15" data-properties="style-branch structure in adjective form;line quantity;apex shape">style-branches stigmatic in 2 lines, apices truncate-penicillate.</span> <span class="statement" id="st-d0_s16" data-properties="cypsela shape;cypsela architecture;cypsela pubescence"><b>Cypselae </b>(stramineous to reddish-brown) ± ellipsoid to fusiform, 5 (–6) -nerved, ± papillate-hairy between nerves (papillae mucilaginous when wetted);</span> <span class="statement" id="st-d0_s17" data-properties="bristle quantity;bristle coloration;bristle architecture;bristle presence">pappi fragile or readily falling, usually of 20–40, white, barbellulate bristles (in 1 series), sometimes 0 on ray cypselae.</span> <span class="statement" id="st-d0_s18" data-properties="pappus fragility;pappus life cycle;x chromosome quantity">x = 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://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20_1445.xml |tribe=Asteraceae tribe Senecioneae |genus=Crocidium |apex shape=truncate-penicillate |blade architecture=nerved |blade shape=oblanceolate;lanceolate or linear |bristle architecture=barbellulate |bristle coloration=white |bristle presence=absent |bristle quantity=20;40 |calyculus presence=absent |corolla coloration=yellow;yellow |cypsela architecture=5(-6)-nerved |cypsela pubescence=papillate-hairy |cypsela shape=less ellipsoid;fusiform |disc-floret atypical quantity=60;120 |disc-floret quantity=12;60 |disc-floret reproduction=fertile;bisexual |face pubescence=glabrate;glabrous |head architecture or arrangement=radiate |head arrangement=singly |involucre diameter=3mm;6mm |involucre shape=hemispheric |leaf architecture=sessile;petiolate |leaf arrangement=alternate |leaf position=cauline;basal |line quantity=2 |lobe orientation=erect;spreading |lobe quantity=5 |lobe shape=deltate;lanceolate |margin shape=entire;toothed |margin texture=herbaceous;membranous |pappus fragility=fragile |pappus life cycle=falling |phyllarie duration=persistent |phyllarie fusion=connate |phyllarie orientation=erect |phyllarie quantity=5;13 |phyllarie shape=elliptic;ovate |phyllarie size=subequal |ray-floret architecture=neuter;pistillate |ray-floret quantity=5;13 |ray-floret reproduction=fertile |receptacle architecture=epaleate |receptacle architecture or pubescence or relief=smooth |receptacle shape=dome-shaped;conic |series atypical quantity=1;2 |series quantity=1 |stem architecture=branched;simple |stem orientation=erect |stem quantity=1 |style-branch structure in adjective form=stigmatic |throat shape=campanulate;cylindric |tube length or size=longer |tube shape=cylindric |whole-organism atypical some measurement=12cm;30cm |whole-organism duration=annual |whole-organism some measurement=4cm;12cm |x chromosome quantity=9 }}<!-- -->[[Category:Treatment]][[Category:Asteraceae tribe Senecioneae]] Templates used on this page: Template:Asteraceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/Publication (view source) Return to Crocidium.