View source for Euchiton ← Euchiton 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=Euchiton |accepted_authority=Cassini in F. Cuvier |publications={{Treatment/Publication |title=in F. Cuvier, Dict. Sci. Nat. ed. |place=2, 56: 214. 1828 |year=1828 }} |basionyms= |synonyms= |hierarchy=Asteraceae;Asteraceae tribe Gnaphalieae;Euchiton |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Gnaphalieae]]</div><div class="higher-taxon"><small>genus</small>[[Euchiton]]</div></div> |etymology=Greek eu -, good or true, and chiton, tunic, alluding to ‘close-fitting’ clusters of bracts subtending clusters of heads |volume=Volume 19 |mention_page=page 58, 387, 429 |treatment_page=page 440 }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole-organism some measurement;whole-organism duration;whole-organism some measurement;whole-organism duration"><b>Annuals </b>or perennials, 5–80 cm (usually fibrous-rooted, sometimes rhizomatous, usually stoloniferous).</span> <span class="statement" id="st-d0_s1" data-properties="stem quantity;stem orientation"><b>Stems </b>usually 1, erect.</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Leaves </b>basal and cauline (sometimes in rosettes);</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 or sessile;</span> <span class="statement" id="st-d0_s5" data-properties="blade shape;blade shape;blade shape;blade shape;blade shape;blade shape;base shape;base size;margin architecture or shape;face coloration;abaxial face coloration;abaxial face pubescence;adaxial face coloration;adaxial face pubescence;adaxial face pubescence">blades oblanceolate, spatulate, lanceolate, or linear, bases cuneate or ampliate, margins entire (sometimes undulate and/or revolute), faces bicolor, abaxial usually silvery, tomentose, adaxial usually green, glabrate or glabrous.</span> <span class="statement" id="st-d0_s6" data-properties="head architecture or shape;head arrangement"><b>Heads </b>disciform, usually in terminal clusters (subtended by leafy bracts, sometimes with axillary clusters), rarely borne singly.</span> <span class="statement" id="st-d0_s7" data-properties="involucre shape;involucre some measurement"><b>Involucres </b>narrowly campanulate to cylindric, 3–5 mm.</span> <span class="statement" id="st-d0_s8" data-properties="phyllary coloration;phyllary coloration;phyllary size;phyllary pubescence or texture;series quantity"><b>Phyllaries </b>in 3–4+ series, mostly stramineous to brownish, sometimes purplish to pinkish (hyaline, stereomes not glandular), unequal, chartaceous toward tips.</span> <span class="statement" id="st-d0_s9" data-properties="receptacle prominence or shape;receptacle architecture or pubescence or relief;receptacle architecture"><b>Receptacles </b>flat, smooth, epaleate.</span> <span class="statement" id="st-d0_s10" data-properties="peripheral floret quantity"><b>Peripheral </b>(pistillate) florets 16–150 (more numerous than bisexual);</span> <span class="statement" id="st-d0_s11" data-properties="corolla coloration;corolla coloration">corollas purple or distally purplish.</span> <span class="statement" id="st-d0_s12" data-properties="inner floret quantity"><b>Inner </b>(bisexual) florets 1–7;</span> <span class="statement" id="st-d0_s13" data-properties="corolla coloration;corolla coloration">corollas purple or distally purplish.</span> <span class="statement" id="st-d0_s14" data-properties="cypsela shape;cypsela shape;face pubescence;face relief"><b>Cypselae </b>obovoid-ellipsoid, slightly flattened, faces minutely hairy or papillate (papilliform hairs or papillae ± clavate, not myxogenic);</span> <span class="statement" id="st-d0_s15" data-properties="pappus life cycle;pappus fusion;pappus fusion;series quantity">pappi readily falling (singly or in groups), of 12–20, distinct or basally coherent, barbellate bristles in 1 series.</span> <span class="statement" id="st-d0_s16" data-properties="bristle architecture;x chromosome quantity">x = 14.</span><!-- -->{{Treatment/Body |distribution=Australia;New Zealand;New Guinea;e Asia;some species widely naturalized |introduced=true |discussion=<p>Species 17 (3 in the flora).</p> |tables= |references={{Treatment/Reference |id=nesom2002a |text=Nesom, G. L. 2002. Euchiton (Asteraceae: Gnaphalieae) in North America and Hawaii. Sida 20: 515–521. }} }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Annuals; taprooted; leaf bases not clasping; bracts subtending heads 4–8; heads in globose clusters; bisexual florets 1 |[[Euchiton sphaericus|Euchiton sphaericus]] |-id=key-0-1 |1 |Perennials or biennials; fibrous-rooted; leaf bases subclasping; bracts subtending heads 2–5; heads in hemispheric clusters; bisexual florets 3–7 |[[#key-0-2| > 2]] |-id=key-0-2 |2 |Stolons usually present; basal leaves in rosettes at flowering; cauline leaves 2–4(–6), blades linear to oblanceolate, 1–2 cm × 1–2 mm; bracts subtending heads 2–3, not surpassing heads; pistillate florets 40–60 |[[Euchiton gymnocephalus|Euchiton gymnocephalus]] |-id=key-0-2 |2 |Stolons usually absent; basal leaves withering before flowering; cauline leaves 6–10, blades mostly linear, 3–8 cm × 2–3 mm; bracts subtending heads 3–5, surpassing heads; pistillate florets 80–150 |[[Euchiton involucratus|Euchiton involucratus]] |} </div></div><!-- -->{{#Taxon: name=Euchiton |author=Guy L. Nesom |authority=Cassini in F. Cuvier |rank=genus |parent rank=tribe |synonyms= |basionyms= |family=Asteraceae |illustrator=Barbara Alongi |illustration copyright=Flora of North America Association |distribution=Australia;New Zealand;New Guinea;e Asia;some species widely naturalized |introduced=true |reference=nesom2002a |publication title=in F. Cuvier, Dict. Sci. Nat. ed. |publication year=1828 |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V19_728.xml |tribe=Asteraceae tribe Gnaphalieae |genus=Euchiton |abaxial face coloration=silvery |abaxial face pubescence=tomentose |adaxial face coloration=green |adaxial face pubescence=glabrous;glabrate |base shape=cuneate |base size=ampliate |blade shape=linear;lanceolate;linear;lanceolate;spatulate;oblanceolate |bristle architecture=barbellate |corolla coloration=purplish;purple;purplish;purple |cypsela shape=flattened;obovoid-ellipsoid |face coloration=bicolor |face pubescence=hairy |face relief=papillate |head architecture or shape=disciform |head arrangement=singly |inner floret quantity=1;7 |involucre shape=narrowly campanulate;cylindric |involucre some measurement=3mm;5mm |leaf architecture=sessile;petiolate |leaf arrangement=alternate |leaf position=cauline;basal |margin architecture or shape=entire |pappus fusion=coherent;distinct |pappus life cycle=falling |peripheral floret quantity=16;150 |phyllary coloration=purplish;pinkish |phyllary pubescence or texture=chartaceous |phyllary size=unequal |receptacle architecture=epaleate |receptacle architecture or pubescence or relief=smooth |receptacle prominence or shape=flat |series quantity=1;3;4 |stem orientation=erect |stem quantity=1 |whole-organism duration=perennial;annual |whole-organism some measurement=5cm;80cm |x chromosome quantity=14 }}<!-- -->[[Category:Treatment]][[Category:Asteraceae tribe Gnaphalieae]] 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 Euchiton.