Difference between revisions of "Gaillardia pinnatifida"
Ann. Lyceum Nat. Hist. New York 2: 214. 1827.
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|name=Gaillardia flava | |name=Gaillardia flava | ||
|authority=Rydberg | |authority=Rydberg | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Gaillardia gracilis | |name=Gaillardia gracilis | ||
|authority=A. Nelson | |authority=A. Nelson | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Gaillardia mearnsii | |name=Gaillardia mearnsii | ||
|authority=Rydberg | |authority=Rydberg | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Gaillardia pinnatifida var. linearis | |name=Gaillardia pinnatifida var. linearis | ||
|authority=(Rydberg) Biddulph | |authority=(Rydberg) Biddulph | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Gaillardiinae;Gaillardia;Gaillardia pinnatifida | |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Gaillardiinae;Gaillardia;Gaillardia pinnatifida | ||
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|elevation=900–2000 m | |elevation=900–2000 m | ||
|distribution=Ariz.;Colo.;Nev.;N.Mex.;Okla.;Tex.;Utah;Mexico (Chihuahua;Coahuila;Durango;Sonora). | |distribution=Ariz.;Colo.;Nev.;N.Mex.;Okla.;Tex.;Utah;Mexico (Chihuahua;Coahuila;Durango;Sonora). | ||
| − | |discussion=<p>Some plants, especially from Arizona, included here in <i>Gaillardia pinnatifida</i>, have mostly narrow, undivided leaf blades (mostly 3–8+ mm wide, villous to sparsely strigillose; < | + | |discussion=<p>Some plants, especially from Arizona, included here in <i>Gaillardia pinnatifida</i>, have mostly narrow, undivided leaf blades (mostly 3–8+ mm wide, villous to sparsely strigillose; <i></i>var.<i> linearis</i>) and intergrade with similar plants called <i>G. multiceps</i>, which have sparsely and minutely hispidulous or glabrate leaf blades.</p><!-- |
--><p>Plants from Utah with yellow disc corollas and densely gland-dotted leaves, included here in <i>Gaillardia pinnatifida</i>, have been recognized as G. flava.</p> | --><p>Plants from Utah with yellow disc corollas and densely gland-dotted leaves, included here in <i>Gaillardia pinnatifida</i>, have been recognized as G. flava.</p> | ||
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Gaillardia pinnatifida | name=Gaillardia pinnatifida | ||
| − | |||
|authority=Torrey | |authority=Torrey | ||
|rank=species | |rank=species | ||
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|publication year=1827 | |publication year=1827 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_1055.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | ||
Latest revision as of 20:07, 5 November 2020
Perennials (sometimes flowering first year, sometimes rhizomatous), (5–)15–35+ cm. Leaves basal and cauline, mostly restricted to proximal 1/3–1/2; petiolar bases 0–5+ cm; blades mostly oblanceolate to spatulate, 3–6(–12) cm × 3–18(–30) mm, margins mostly pinnatifid, distal sometimes toothed or entire (rarely all linear, entire), faces closely strigillose to shaggily villous. Peduncles (4–)8–25+ cm. Phyllaries 20–30, ovate- to lanceolate-attenuate, 7–12+ mm, hispidulous to villous (hairs often jointed). Receptacular setae usually 1–3 mm, rarely wanting. Ray florets 0 or 5–14; corollas usually uniformly yellow, sometimes proximally and/or abaxially reddish, 10–25+ mm. Disc florets (30–)60–100+; corollas usually proximally ochroleucous or yellow and distally purplish, rarely wholly yellow, tubes 0.8–1 mm, throats campanulate to plumply urceolate, 3–4.5 mm, lobes broadly deltate to deltate-ovate, 0.5–1 mm, jointed hairs 0.3+ mm. Cypselae obpyramidal, 1–3 mm, hairs 1–2 mm, inserted at bases and on angles and faces; pappi of 8–11 lanceolate, aristate scales 3–7 mm (scarious bases 1.5–4 × 0.5–1.5 mm). 2n = 34.
Phenology: Flowering Mar–Oct, mostly May–Jul.
Habitat: Clays or sandy soils, often disturbed places, in grasslands, desert scrub-lands, or pinyon woodlands
Elevation: 900–2000 m
Distribution
Ariz., Colo., Nev., N.Mex., Okla., Tex., Utah, Mexico (Chihuahua, Coahuila, Durango, Sonora).
Discussion
Some plants, especially from Arizona, included here in Gaillardia pinnatifida, have mostly narrow, undivided leaf blades (mostly 3–8+ mm wide, villous to sparsely strigillose; var. linearis) and intergrade with similar plants called G. multiceps, which have sparsely and minutely hispidulous or glabrate leaf blades.
Plants from Utah with yellow disc corollas and densely gland-dotted leaves, included here in Gaillardia pinnatifida, have been recognized as G. flava.
Selected References
None.