View source for Rudbeckia occidentalis

{{Treatment/ID
|accepted_name=Rudbeckia occidentalis
|accepted_authority=Nuttall
|publications={{Treatment/Publication
|title=Trans. Amer. Philos. Soc., n. s.
|place=7: 355. 1840
|year=1840
}}
|common_names=Western coneflower
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae;Rudbeckia;Rudbeckia sect. Macrocline;Rudbeckia occidentalis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Heliantheae]]</div><div class="higher-taxon"><small>subtribe</small>[[Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae]]</div><div class="higher-taxon"><small>genus</small>[[Rudbeckia]]</div><div class="higher-taxon"><small>section</small>[[Rudbeckia sect. Macrocline]]</div><div class="higher-taxon"><small>species</small>[[Rudbeckia occidentalis]]</div></div>
|volume=Volume 21
|mention_page=page 47
|treatment_page=page 51
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> to 200 cm (rhizomatous, roots fibrous). <b>Leaves</b>: green, blades broadly ovate to lanceolate (rarely lobed), herbaceous, bases attenuate to cuneate or broadly rounded, ultimate margins entire or serrate, apices acute, faces sparsely to densely hairy (mostly adaxially), rarely glabrous; basal petiolate, 12–30 × 3–9 cm; cauline petiolate or sessile, 5–25 × 2–10 cm. <b>Heads</b> in ± corymbiform arrays. <b>Phyllaries</b> to 3 cm (margins mostly ciliate, hairy, especially abaxially). <b>Receptacles</b> ovoid to columnar; paleae (proximally light brown, distally green, becoming maroon with age) 5–7 mm, apices acute to acuminate, abaxial tips densely hairy. <b>Ray</b> florets 0. <b>Discs</b> 17–45 × 12–20 mm. <b>Disc</b> florets 200–500+; corollas yellowish green proximally, blackish maroon distally, 4–6 mm; style branches ca. 1.2 mm, apices acute to rounded. <b>Cypselae</b> 3.5–5 mm; pappi coroniform, to 1.2 mm. <b>2n</b> = 36.</span><!--

-->{{Treatment/Body
|phenology=Flowering summer–fall.
|habitat=Open meadows, streamsides, seeps
|elevation=1000–2800 m
|distribution=Calif.;Idaho;Mont.;Nev.;Oreg.;Utah;Wash.;Wyo.
|discussion=<p><i>Rudbeckia occidentalis</i> is sometimes grown as an ornamental.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Rudbeckia occidentalis
|authority=Nuttall
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering summer–fall.
|habitat=Open meadows, streamsides, seeps
|elevation=1000–2800 m
|distribution=Calif.;Idaho;Mont.;Nev.;Oreg.;Utah;Wash.;Wyo.
|reference=None
|publication title=Trans. Amer. Philos. Soc., n. s.
|publication year=1840
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_105.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae
|genus=Rudbeckia
|section=Rudbeckia sect. Macrocline
|species=Rudbeckia occidentalis
}}<!--

-->[[Category:Treatment]][[Category:Rudbeckia sect. Macrocline]]