View source for Packera breweri

{{Treatment/ID
|accepted_name=Packera breweri
|accepted_authority=(Burtt Davy) W. A. Weber & Á. Löve
|publications={{Treatment/Publication
|title=Phytologia
|place=49: 46. 1981
|year=1981
}}
|common_names=Brewer’s ragwort
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Senecio breweri
|authority=Burtt Davy
|rank=species
|publication_title=Erythea
|publication_place=3: 116. 1895
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Packera;Packera breweri
|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>[[Packera]]</div><div class="higher-taxon"><small>species</small>[[Packera breweri]]</div></div>
|volume=Volume 20
|mention_page=page 575
|treatment_page=page 580
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials </b>or biennials, 40–100+ cm; fibrous-rooted (caudices erect, stout). <b>Stems</b> 1, glabrous or leaf axils tomentose. <b>Basal</b> leaves (and proximal cauline) petiolate; blades spatulate to obovate (pinnately lobed, terminal lobes ovate to oblong, lateral lobes 2–6+ pairs, smaller, midribs narrowly winged), 100–300+ × 20–50(–80+) mm, bases contracted to tapering, ultimate margins crenate or dentate to lacerate (faces glabrous). <b>Cauline</b> leaves gradually reduced (petiolate or sessile; obovate, irregularly incised to subpinnate, terminal lobes narrow). <b>Heads</b> 15–50+ in corymbiform arrays. <b>Peduncles</b> usually ebracteate (rarely with 1–2 bractlets), glabrous. <b>Calyculi</b> inconspicuous. <b>Phyllaries</b> 13 or 21, green, 7–9+ mm, glabrous. <b>Ray</b> florets 8–10+; corolla laminae 10–15+ mm. <b>Disc</b> florets 45–60+; corolla tubes 3–3.5 mm, limbs 4–4.5 mm. <b>Cypselae</b> 2–2.5 mm, glabrous; pappi 6–7 mm. <b>2n</b> = 46.</span><!--

-->{{Treatment/Body
|phenology=Flowering mid Apr–late May.
|habitat=Dry, rocky soils, partially shaded or protected areas, grasslands, oak savannas, roadsides, disturbed areas
|elevation=200–1500 m
|distribution=Calif.
|discussion=<p><i>Packera breweri</i> is known only from Coast Ranges from San Francisco Bay to Los Angeles County and along the eastern edges of the San Joaquin Valley. Populations are relatively small and sporadic; the plants appear not to hybridize with other species of <i>Packera</i>.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Packera breweri
|authority=(Burtt Davy) W. A. Weber & Á. Löve
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Senecio breweri
|family=Asteraceae
|phenology=Flowering mid Apr–late May.
|habitat=Dry, rocky soils, partially shaded or protected areas, grasslands, oak savannas, roadsides, disturbed areas
|elevation=200–1500 m
|distribution=Calif.
|reference=None
|publication title=Phytologia
|publication year=1981
|special status=Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1290.xml
|tribe=Asteraceae tribe Senecioneae
|genus=Packera
|species=Packera breweri
}}<!--

-->[[Category:Treatment]][[Category:Packera]]