View source for Filago ← Filago 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=Filago |accepted_authority=Loefling in C. Linnaeus |publications={{Treatment/Publication |title=Sp. Pl. |place=2: 927, 1199. 1753 |year=1753 }}, {{Treatment/Publication |title=Gen. Pl. ed. |place=5, 397. 1754 |year=1754 }} |common_names=Herba impia;cotonnière;cottonrose |basionyms= |synonyms= |hierarchy=Asteraceae;Asteraceae tribe Gnaphalieae;Filago |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>[[Filago]]</div></div> |etymology=Latin filum, thread, and - ago, possessing or resembling, alluding to abundant cottony indument |volume=Volume 19 |mention_page=page 26, 28, 385, 387, 444, 448, 461 |treatment_page=page 447 }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole-organism atypical some measurement;whole-organism some measurement;whole-organism duration"><b>Annuals,</b> (1–) 5–40 cm.</span> <span class="statement" id="st-d0_s1" data-properties="stem atypical quantity;stem quantity;stem orientation;stem atypical quantity;stem quantity;stem orientation"><b>Stems </b>[0] 1, ± erect, or 2–7 [–10+], ± ascending [prostrate].</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Leaves </b>cauline [basal];</span> <span class="statement" id="st-d0_s3" data-properties="leaf position;leaf arrangement">alternate;</span> <span class="statement" id="st-d0_s4" data-properties="blade shape">blades lanceolate to oblanceolate [spatulate or ± round].</span> <span class="statement" id="st-d0_s5" data-properties="array atypical quantity;array quantity;array architecture"><b>Heads </b>in (dense, spheric [hemispheric]) glomerules of [2–] 8–35+ in ± dichasiiform arrays [borne singly].</span> <span class="statement" id="st-d0_s6" data-properties="involucre presence;involucre prominence"><b>Involucres </b>0 or inconspicuous.</span> <span class="statement" id="st-d0_s7" data-properties="phyllary presence;phyllary quantity;phyllary size"><b>Phyllaries </b>usually 0, rarely 1–4, unequal (similar to paleae).</span> <span class="statement" id="st-d0_s8" data-properties="receptacle shape;receptacle pubescence"><b>Receptacles </b>cylindric to clavate (heights [2–] 5–15 times diams.), glabrous.</span> <span class="statement" id="st-d0_s9" data-properties="palea architecture;palea duration;palea orientation"><b>Pistillate </b>paleae (except usually innermost) ± persistent [falling], ± erect to ascending;</span> <span class="statement" id="st-d0_s10" data-properties="body shape;body architecture;nerve quantity">bodies with 5+ nerves (nerves ± parallel, obscure), lanceolate to ovate, open to ± folded (each at most enfolding, not enclosing a floret);</span> <span class="statement" id="st-d0_s11" data-properties="wing orientation">wings erect to recurved (apices acuminate to aristate).</span> <span class="statement" id="st-d0_s12" data-properties="innermost palea architecture;innermost palea architecture;innermost palea duration;innermost palea life cycle;innermost palea quantity;innermost palea orientation;innermost palea height or length or size;species reproduction;palea architecture"><b>Innermost </b>paleae usually all pistillate, in some species bisexual and pistillate, persistent or tardily falling, usually 5, erect to ascending [spreading] (scarcely enlarged) in fruit, shorter than other pistillate paleae;</span> <span class="statement" id="st-d0_s13" data-properties="body shape">bodies lanceolate to ovate.</span> <span class="statement" id="st-d0_s14" data-properties="floret architecture;floret atypical quantity;floret quantity"><b>Pistillate </b>florets [12–] 27–40+.</span> <span class="statement" id="st-d0_s15" data-properties="floret architecture;floret presence"><b>Functionally </b>staminate florets 0.</span> <span class="statement" id="st-d0_s16" data-properties="floret reproduction;floret atypical quantity;floret atypical quantity;floret quantity"><b>Bisexual </b>florets (1–) 2–9 (–11);</span> <span class="statement" id="st-d0_s17" data-properties="corolla lobe quantity;corolla lobe variability">corolla lobes 4, ± equal.</span> <span class="statement" id="st-d0_s18" data-properties="cypsela coloration;cypsela architecture;cypsela shape;cypsela shape;cypsela course;cypsela shape;face relief;face reflectance"><b>Cypselae </b>brown, ± monomorphic: terete to ± compressed, cylindric to ± obovoid, usually straight, not gibbous, faces papillate to muricate [glabrous, smooth], dull;</span> <span class="statement" id="st-d0_s19" data-properties="cypsela coloration;cypsela architecture;corolla scar position">corolla scars apical [subapical];</span> <span class="statement" id="st-d0_s20" data-properties="outer pappus architecture;outer pappus presence;bristle atypical quantity;bristle quantity">pappi: outer pistillate 0, inner pistillate and bisexual of [3–] 13–21 bristles (visible in heads).</span> <span class="statement" id="st-d0_s21" data-properties="inner pappus architecture;inner pappus reproduction;x chromosome quantity">x = 14.</span><!-- -->{{Treatment/Body |distribution=Europe;w Asia;n Africa;Atlantic Islands;in North America;Australia |introduced=true |discussion=<p>Species 12(–23) (2 in the flora).</p><!-- --><p>See discussion of Filagininae following the tribal description (p. 385).</p><!-- --><p>The name Filago has been used also for the genus now usually recognized as Evax Gaertner. Here Filago, in the narrow sense, contains twelve Old World species. Six species long included in Filago in North America are here separated as Logfia.</p><!-- --><p>Filago species grow in open, dry or somewhat moist habitats of arid, semiarid, Mediterranean, and humid-temperate to subtropical climates. The species in the flora grow in disturbed habitats; neither appears to be aggressively weedy.</p><!-- --><p>Filago appears to be sister to or derived from Logfia and is probably ancestral to Evacopsis and Evax (J. D. Morefield 1992). Filago is most easily recognized by outer epappose florets subtended by open or ± folded, persistent, acuminate to aristate paleae, and prominent pappi on inner pistillate and bisexual florets.</p> |tables= |references={{Treatment/Reference |id=wagenitz1969a |text=Wagenitz, G. 1969. Abgrenzung und Gliederung der Gattung Filago L. s.l. (Compositae–Inuleae). Willdenowia 5: 395–444. }}{{Treatment/Reference |id=wagenitz1976b |text=Wagenitz, G. 1976. Two species of the “Filago germanica” group (Compositae–Inuleae) in the United States. Sida 6: 221–223. }} }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Largest leaves oblong to lanceolate, widest in proximal 2/3; heads in glomerules of (15–)20–35+, narrowly ± ampulliform, largest 1.5–2 mm diam.; pistillate paleae spirally ranked, longest 3.5–4.2 mm, innermost surrounding 14–25+ florets (10–20+ pistillate); longest dis- tal capitular leaves 0.8–1.1 times head heights, acute |[[Filago vulgaris|Filago vulgaris]] |-id=key-0-1 |1 |Largest leaves oblanceolate to narrowly spatulate, widest in distal 1/3; heads in glomerules of mostly (8–)12–16(–20), ± bipyramidal, largest 2.5–4 mm diam.; pistillate paleae vertically ranked, longest 4.5–6 mm, innermost surrounding 8–13 florets (2–7 pistillate); longest dis- tal capitular leaves 1.3–2 times head heights, obtuse |[[Filago pyramidata|Filago pyramidata]] |} </div></div><!-- -->{{#Taxon: name=Filago |author=James D. Morefield |authority=Loefling in C. Linnaeus |rank=genus |parent rank=tribe |synonyms= |basionyms= |family=Asteraceae |illustrator=Linny Heagy |illustration copyright=Flora of North America Association |distribution=Europe;w Asia;n Africa;Atlantic Islands;in North America;Australia |introduced=true |reference=wagenitz1969a;wagenitz1976b |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/V19_741.xml |tribe=Asteraceae tribe Gnaphalieae |genus=Filago |array architecture=dichasiiform |array atypical quantity=2;8 |array quantity=8;35 |blade shape=lanceolate;oblanceolate |body architecture=open;more or less folded |body shape=lanceolate;ovate |bristle atypical quantity=3;13 |bristle quantity=13;21 |corolla lobe quantity=4 |corolla lobe variability=equal |corolla scar position=apical |cypsela architecture=monomorphic;monomorphic |cypsela coloration=brown;brown |cypsela course=straight |cypsela shape=not gibbous;terete;more or less compressed cylindric |face reflectance=dull |face relief=papillate;muricate |floret architecture=staminate;pistillate |floret atypical quantity=9;11 |floret presence=absent |floret quantity=2;9 |floret reproduction=bisexual |inner pappus architecture=pistillate |inner pappus reproduction=bisexual |innermost palea architecture=pistillate;pistillate |innermost palea duration=persistent |innermost palea height or length or size=shorter |innermost palea life cycle=falling |innermost palea orientation=erect;ascending |innermost palea quantity=5 |involucre presence=absent |involucre prominence=inconspicuous |leaf arrangement=alternate |leaf position=cauline |outer pappus architecture=pistillate |outer pappus presence=absent |palea architecture=pistillate;pistillate |palea duration=persistent |palea orientation=less erect;ascending |phyllary presence=absent |phyllary quantity=1;4 |phyllary size=unequal |receptacle pubescence=glabrous |receptacle shape=cylindric;clavate |species reproduction=bisexual |stem atypical quantity=7;10 |stem orientation=ascending;erect |stem quantity=2;7 |whole-organism atypical some measurement=1cm;5cm |whole-organism duration=annual |whole-organism some measurement=5cm;40cm |wing orientation=erect;recurved |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 Filago.