View source for Heterotheca shevockii

{{Treatment/ID
|accepted_name=Heterotheca shevockii
|accepted_authority=(Semple) Semple
|publications={{Treatment/Publication
|title=Rev. Heterotheca Phyllotheca,
|place=148. 1996
|year=1996
}}
|common_names=Shevock’s goldenaster
|basionyms={{Treatment/ID/Basionym
|name=Heterotheca villosa var. shevockii
|authority=Semple
|rank=variety
|publication_title=Phytologia
|publication_place=73: 453. 1993
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Heterotheca;Heterotheca shevockii
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Astereae]]</div><div class="higher-taxon"><small>genus</small>[[Heterotheca]]</div><div class="higher-taxon"><small>species</small>[[Heterotheca shevockii]]</div></div>
|volume=Volume 20
|mention_page=page 231, 234, 255
|treatment_page=page 254
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> (28–)50–131 cm; taprooted. <b>Stems</b> 1–35+, ascending to erect (sometimes brown proximally, sometimes ± brittle), sparsely strigose, moderately hispid (hairs often broken off in older stems), distally sparsely hispido-strigose and densely stipitate-glandular, abundantly long-hirsute. <b>Leaves</b>: proximal cauline subpetiolate to sessile, blades oblanceolate to lanceolate, 25–55 × 5–16 mm, bases convex-cuneate, margins entire, strigoso-ciliate, proximally long-ciliate, apices acute, mucronate, faces moderately hispido-strigose; distal blades sessile, linear-lanceolate to lanceolate-triangular, (17–)31–65 × 6–15 mm, reduced distally, bases abruptly convex-cuneate or rounded to sometimes subclasping, margins entire, usually revolute, faces sparsely to moderately long-hispido-strigose proximally, moderately to densely stipitate-glandular (branch leaves much reduced distally, linear to linear-oblanceolate). <b>Heads</b> (3–)5–20(–70) in paniculiform arrays, branches elongate on robust shoots. <b>Peduncles</b> 10–60+ mm, sparsely hispido-strigose, densely stipitate-glandular; bracts 3–10, proximal leaflike, greatly reduced distally, linear to linear-oblanceolate, distalmost phyllary-like (not surpassing heads). <b>Involucres</b> cylindro-turbinate to campanulate, 9–13 mm. <b>Phyllaries</b> in 5–6 series, unequal (outer lengths 1/5–1/4 inner), faces sparsely strigose especially along pronounced midnerves, densely stipitate-glandular. <b>Ray</b> florets 9–15(–18); laminae 5–8(–10) × 0.8–2 mm. <b>Disc</b> florets (31–)40–70(–80); corollas barely ampliate, 5–7 mm, tubes and throats sparsely strigose, lobes 0.3–0.8(–1.1) mm, lobes glabrous or sparsely strigose (hairs 0.04–0.27 mm). <b>Cypselae</b> monomorphic, obconic, compressed, 2–4.5 mm, ribs 8–12, faces moderately strigose; pappi off-white, outer of linear scales 0.25–1 mm, inner of 35–45 bristles 5–7 mm, longest weakly clavate (usually equaling or shorther than corollas). <b>2n</b> = 36.</span><!--

-->{{Treatment/Body
|phenology=Flowering (Jan–)Aug–Sep(–Nov).
|habitat=Sandy, gravelly soils and rock crevices along river in grass and open xeric pine and oak woods
|elevation=400–900 m
|distribution=Calif.
|discussion=<p>Of conservation concern.</p><!--
--><p>Known only from the lower Kern River Canyon, Kern County, <i>Heterotheca shevockii</i> is distinguished from other species by its usually tall stems and lanceolate-triangular mid cauline leaves with usually revolute margins, its large heads and floral parts, and pappi bristles usually only about 90% the length of the disc corollas at flowering. Smaller plants are similar to <i>H. villosa </i>var.<i> scabra</i>, known in California from a few locations in the Little San Bernardino Mountains (1200–1300 m).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Heterotheca shevockii
|authority=(Semple) Semple
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Heterotheca villosa var. shevockii
|family=Asteraceae
|phenology=Flowering (Jan–)Aug–Sep(–Nov).
|habitat=Sandy, gravelly soils and rock crevices along river in grass and open xeric pine and oak woods
|elevation=400–900 m
|distribution=Calif.
|reference=None
|publication title=Rev. Heterotheca Phyllotheca,
|publication year=1996
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_554.xml
|tribe=Asteraceae tribe Astereae
|genus=Heterotheca
|species=Heterotheca shevockii
}}<!--

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