View source for Tussilago ← Tussilago 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=Tussilago |accepted_authority=Linnaeus |publications={{Treatment/Publication |title=Sp. Pl. |place=2: 865. 1753 |year=1753 }}, {{Treatment/Publication |title=Gen. Pl. ed. |place=5, 372. 1754 |year=1754 }} |common_names=Coltsfoot |basionyms= |synonyms= |hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Tussilago |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>[[Tussilago]]</div></div> |etymology=Said to be based on Latin tussi s, cough, for which the plant has a medicinal reputation |volume=Volume 20 |mention_page=page 541 |treatment_page=page 635 }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole-organism atypical some measurement;whole-organism some measurement;whole-organism duration"><b>Perennials,</b> 5–30 (–50) cm (rhizomes fibrous-rooted, creeping; plants forming extensive colonies).</span> <span class="statement" id="st-d0_s1" data-properties="stem quantity;stem orientation"><b>Stems </b>usually 1, erect (scapiform, not branched).</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Leaves </b>basal and cauline (basal usually developing after flowers);</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 (petiole lengths 1–2 times blades) or sessile;</span> <span class="statement" id="st-d0_s5" data-properties="blade architecture;blade shape;margin shape;abaxial face pubescence;adaxial face pubescence;adaxial face pubescence">blades (basal) palmately nerved, orbiculate to polygonal or lobed (cauline leaves lanceovate to linear, bractlike or scalelike), margins denticulate, abaxial faces gray-tomentose, adaxial tomentulose, glabrescent.</span> <span class="statement" id="st-d0_s6" data-properties="head architecture or arrangement;head arrangement"><b>Heads </b>(erect at flowering, nodding in fruit) radiate, borne singly.</span> <span class="statement" id="st-d0_s7" data-properties="calyculus presence"><b>Calyculi </b>0 (or indistinct, bractlets intergrading with bractlike cauline leaves).</span> <span class="statement" id="st-d0_s8" data-properties=""><b>Involucres </b>cylindric to subturbinate, 10–15 mm diam.</span> <span class="statement" id="st-d0_s9" data-properties="involucre shape;involucre diameter">(larger in fruit).</span> <span class="statement" id="st-d0_s10" data-properties="phyllarie duration;phyllarie quantity;phyllarie orientation;phyllarie fusion;phyllarie arrangement or course or shape;phyllarie size;series atypical quantity;series quantity;margin texture"><b>Phyllaries </b>persistent, usually ± 21 in (1–) 2 series, erect, distinct, lance-linear to linear, subequal, margins scarious (apices greenish or yellow-green).</span> <span class="statement" id="st-d0_s11" data-properties="receptacle shape;receptacle relief;receptacle architecture"><b>Receptacles </b>convex, foveolate (socket margins ± membranous), epaleate.</span> <span class="statement" id="st-d0_s12" data-properties="ray-floret atypical quantity;ray-floret quantity;ray-floret architecture;ray-floret reproduction"><b>Ray-</b>florets 100–200 (–300+), pistillate, fertile;</span> <span class="statement" id="st-d0_s13" data-properties="corolla coloration">corollas yellow (drying pinkish).</span> <span class="statement" id="st-d0_s14" data-properties="disc-floret atypical quantity;disc-floret quantity;disc-floret architecture"><b>Disc-</b>florets (20–) 30–40, functionally staminate;</span> <span class="statement" id="st-d0_s15" data-properties="corolla coloration;tube length or size;throat shape;lobe quantity;lobe orientation;lobe arrangement or course or shape">corollas yellowish, tubes longer than campanulate throats, lobes 5, erect, linear;</span> <span class="statement" id="st-d0_s16" data-properties="style shape">styles not divided.</span> <span class="statement" id="st-d0_s17" data-properties="cypsela shape;cypsela shape;cypsela architecture or shape;cypsela pubescence"><b>Cypselae </b>narrowly cylindric or ± prismatic, 5 (–10) -ribbed, glabrous;</span> <span class="statement" id="st-d0_s18" data-properties="bristle quantity;bristle coloration;bristle architecture;bristle architecture">pappi readily falling or fragile, of 60–100+, white, barbellulate or smooth bristles.</span> <span class="statement" id="st-d0_s19" data-properties="pappus life cycle;pappus fragility;x chromosome quantity">x = 30.</span><!-- -->{{Treatment/Body |distribution=temperate Eurasia;n Africa |introduced=true |discussion=<p>Species 1.</p> |tables= |references={{Treatment/Reference |id=morton1978a |text=Morton, G. H. 1978. Tussilago. In: N. L. Britton et al., eds. 1905+. North American Flora.... 47+ vols. New York. Ser. 2, part 10, p. 174. }} }}<!-- --><!-- -->{{#Taxon: name=Tussilago |author=Theodore M. Barkley† |authority=Linnaeus |rank=genus |parent rank=tribe |synonyms= |basionyms= |family=Asteraceae |distribution=temperate Eurasia;n Africa |introduced=true |reference=morton1978a |publication title=Sp. Pl.;Gen. Pl. ed. |publication year=1753;1754 |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20_1432.xml |tribe=Asteraceae tribe Senecioneae |genus=Tussilago |abaxial face pubescence=gray-tomentose |adaxial face pubescence=glabrescent;tomentulose |blade architecture=nerved |blade shape=orbiculate;polygonal or lobed |bristle architecture=smooth;barbellulate |bristle coloration=white |bristle quantity=60;100 |calyculus presence=absent |corolla coloration=yellowish;yellow |cypsela architecture or shape=5(-10)-ribbed |cypsela pubescence=glabrous |cypsela shape=prismatic;cylindric |disc-floret architecture=staminate |disc-floret atypical quantity=20;30 |disc-floret quantity=30;40 |head architecture or arrangement=radiate |head arrangement=singly |involucre diameter=10mm;15mm |involucre shape=cylindric;subturbinate |leaf architecture=sessile;petiolate |leaf arrangement=alternate |leaf position=cauline;basal |lobe arrangement or course or shape=linear |lobe orientation=erect |lobe quantity=5 |margin shape=denticulate |margin texture=scarious |pappus fragility=fragile |pappus life cycle=falling |phyllarie arrangement or course or shape=lance-linear;linear |phyllarie duration=persistent |phyllarie fusion=distinct |phyllarie orientation=erect |phyllarie quantity=21 |phyllarie size=subequal |ray-floret architecture=pistillate |ray-floret atypical quantity=200;300 |ray-floret quantity=100;200 |ray-floret reproduction=fertile |receptacle architecture=epaleate |receptacle relief=foveolate |receptacle shape=convex |series atypical quantity=1;2 |series quantity=2 |stem orientation=erect |stem quantity=1 |style shape=not divided |throat shape=campanulate |tube length or size=longer |whole-organism atypical some measurement=30cm;50cm |whole-organism duration=perennial |whole-organism some measurement=5cm;30cm |x chromosome quantity=30 }}<!-- -->[[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) Template:Treatment/Reference (view source) Return to Tussilago.