View source for Erigeron sivinskii

{{Treatment/ID
|accepted_name=Erigeron sivinskii
|accepted_authority=G. L. Nesom
|publications={{Treatment/Publication
|title=Phytologia
|place=71: 416. 1992
|year=1992
}}
|common_names=Sivinski’s fleabane
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Erigeron;Erigeron sivinskii
|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>[[Erigeron]]</div><div class="higher-taxon"><small>species</small>[[Erigeron sivinskii]]</div></div>
|volume=Volume 20
|mention_page=page 276
|treatment_page=page 297
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 5–8 cm; taprooted, caudex branches relatively short, thick, retaining old leaf bases. <b>Stems</b> erect (greenish), closely strigose (hairs white, equal), eglandular. <b>Leaves</b> basal (persistent, persistent portions relatively short and broad) and cauline (petioles erect, greenish, bases broadened or not, not thickened and whitish-indurate); blades linear, 12–30 × 0.5–0.8 mm, cauline unreduced for ± 1/2 stems, margins entire, eciliate, faces sparsely strigose, eglandular. <b>Heads</b> 1. <b>Involucres</b> 5–6 × (8–)10–14 mm. <b>Phyllaries</b> in 2–3 series (greenish, relatively thinly herbaceous), sparsely hirsuto-pilose along midribs, minutely glandular. <b>Ray</b> florets 21–33; corollas white, with abaxial lilac midstripe, 7–9 mm, laminae coiling. <b>Disc</b> corollas 3–3.8 mm. <b>Cypselae</b> (narrowly oblong) 2.8–3.1 mm, 2(–3)–nerved, margins sparsely ciliate, faces glabrous; pappi: outer of setae, inner of 21–27 bristles.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Jun.
|habitat=Red clay slopes of Summerville Formation and eroded, shale slopes of the Chinle Formation, desert scrub and pinyon-juniper woodland
|elevation=1700–2300 m
|distribution=Ariz.;N.Mex.
|discussion=<p>Of conservation concern.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Erigeron sivinskii
|authority=G. L. Nesom
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering May–Jun.
|habitat=Red clay slopes of Summerville Formation and eroded, shale slopes of the Chinle Formation, desert scrub and pinyon-juniper woodland
|elevation=1700–2300 m
|distribution=Ariz.;N.Mex.
|reference=None
|publication title=Phytologia
|publication year=1992
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V20_633.xml
|tribe=Asteraceae tribe Astereae
|genus=Erigeron
|species=Erigeron sivinskii
}}<!--

-->[[Category:Treatment]][[Category:Erigeron]]