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-undefined" data-properties=""><b>Annuals,</b> (1–)5–40 cm. <b>Stems</b> [0] 1, ± erect, or 2–7[–10+], ± ascending [prostrate]. <b>Leaves</b> cauline [basal]; alternate; blades lanceolate to oblanceolate [spatulate or ± round]. <b>Heads</b> in (dense, spheric [hemispheric]) glomerules of [2–]8–35+ in ± dichasiiform arrays [borne singly]. <b>Involucres</b> 0 or inconspicuous. <b>Phyllaries</b> usually 0, rarely 1–4, unequal (similar to paleae). <b>Receptacles</b> cylindric to clavate (heights [2–]5–15 times diams.), glabrous. <b>Pistillate</b> paleae (except usually innermost) ± persistent [falling], ± erect to ascending; bodies with 5+ nerves (nerves ± parallel, obscure), lanceolate to ovate, open to ± folded (each at most enfolding, not enclosing a floret); wings erect to recurved (apices acuminate to aristate). <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; bodies lanceolate to ovate. <b>Pistillate</b> florets [12–]27–40+. <b>Functionally</b> staminate florets 0. <b>Bisexual</b> florets (1–)2–9(–11); corolla lobes 4, ± equal. <b>Cypselae</b> brown, ± monomorphic: terete to ± compressed, cylindric to ± obovoid, usually straight, not gibbous, faces papillate to muricate [glabrous, smooth], dull; corolla scars apical [subapical]; pappi: outer pistillate 0, inner pistillate and bisexual of [3–]13–21 bristles (visible in heads). <b>x</b> = 14.</span><!-- -->{{Treatment/Body |distribution=Europe;w Asia;n Africa;Atlantic Islands;introduced in North America;Australia. |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 |distribution=Europe;w Asia;n Africa;Atlantic Islands;introduced 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://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V19_741.xml |tribe=Asteraceae tribe Gnaphalieae |genus=Filago }}<!-- -->[[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.