View source for Erigeron tenuis

{{Treatment/ID
|accepted_name=Erigeron tenuis
|accepted_authority=Torrey & A. Gray
|publications={{Treatment/Publication
|title=Fl. N. Amer.
|place=2: 175. 1841
|year=1841
}}
|common_names=Slender-leaf fleabane
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Erigeron;Erigeron tenuis
|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 tenuis]]</div></div>
|volume=Volume 20
|mention_page=page 263, 320, 346
|treatment_page=page 347
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Biennials </b>or short-lived perennials, 10–45 cm; fibrous-rooted, caudices simple. <b>Stems</b> ascending (usually reddish proximally, branched distally), strigose, rarely hirsute proximally, eglandular. <b>Leaves</b> basal (commonly persistent) and cauline; basal blades oblanceolate to obovate or spatulate, 20–100(–130) × 4–20 mm, margins serrate or crenate to pinnately lobed, faces sparsely hirsute to strigoso-hirsute (hairs ascending), eglandular; cauline becoming narrower and entire (bases not clasping or subclasping), abruptly reduced near midstem. <b>Heads</b> (1–)3–20(–60) in loosely corymbiform arrays (usually from branches beyond midstem). <b>Involucres</b> (2–)2.5–4 × 5–10 mm. <b>Phyllaries</b> in 2–4 series, sparsely strigose, eglandular. <b>Ray</b> florets 60–120; corollas blue to pale lavender or white, drying blue to purplish, 3–5 mm, laminae not coiling or reflexing. <b>Disc</b> corollas 2–2.7 mm. <b>Cypselae</b> 1–1.2 mm, 2(–4)-nerved, faces sparsely strigose; pappi: outer of setae, inner of 11–15 bristles.</span><!--

-->{{Treatment/Body
|phenology=Flowering mid Mar–May(–Jun, –Nov).
|habitat=Open oak, oak-pine, or pine woodlands, roadsides, fencerows, pastures, bottomland, sand or sandy clay, less common in clay
|elevation=10–200 m
|distribution=Ala.;Ark.;Fla.;Kans.;La.;Miss.;Mo.;Okla.;Tex.
|discussion=<p>A plant reported as <i>Erigeron tenuis</i> disjunct in North Carolina is perhaps better identified as <i>E. strigosus</i>: pappus bristles on the ray cypselae are reduced and variable in number.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Erigeron tenuis
|authority=Torrey & A. Gray
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering mid Mar–May(–Jun, –Nov).
|habitat=Open oak, oak-pine, or pine woodlands, roadsides, fencerows, pastures, bottomland, sand or sandy clay, less common in clay
|elevation=10–200 m
|distribution=Ala.;Ark.;Fla.;Kans.;La.;Miss.;Mo.;Okla.;Tex.
|reference=None
|publication title=Fl. N. Amer.
|publication year=1841
|special status=Illustrated;Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_799.xml
|tribe=Asteraceae tribe Astereae
|genus=Erigeron
|species=Erigeron tenuis
}}<!--

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