View source for Laënnecia coulteri

{{Treatment/ID
|accepted_name=Laënnecia coulteri
|accepted_authority=coulteri (A. Gray) G. L. Nesom
|publications={{Treatment/Publication
|title=Phytologia
|place=68: 217. 1990
|year=1990
}}
|basionyms={{Treatment/ID/Basionym
|name=Conyza coulteri
|authority=A. Gray
|rank=species
|publication_title=Proc. Amer. Acad. Arts
|publication_place=7: 355. 1868
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Laënnecia;Laënnecia coulteri
|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>[[Laënnecia]]</div><div class="higher-taxon"><small>species</small>[[Laënnecia coulteri]]</div></div>
|volume=Volume 20
|mention_page=page 37
|treatment_page=page 38
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> 10–150 cm. <b>Leaf</b> blades: bases ± clasping, faces usually both hirtellous to villous and ± glandular-viscid; proximal broadly spatulate to oblong, 20–50 × 10–20 mm, obscurely lobed or coarsely toothed; distal oblong to elliptic, 10–20 × 3–10 mm, coarsely toothed from near bases or entire. <b>Heads</b> in racemiform-paniculiform arrays. <b>Involucres</b> 2.5–3+ mm. <b>Receptacles</b> 2–3 mm diam. <b>Pistillate</b> florets 60–100+; corollas: lengths ± 1/2 styles, laminae 0. <b>Disc</b> florets 5–20. <b>Cypselae</b> pale tan, 0.5–1 mm, glabrous or sparsely strigillose (hairs 0.05–0.1 mm), sometimes stipitate- or sessile-glandular; pappi fragile or readily falling, of 10–30 whitish bristles in 1 series, (2.5–)3.5–4 mm. <b>2n</b> = 18.</span><!--

-->{{Treatment/Body
|phenology=Flowering year round, mostly fall.
|habitat=Stream banks, roadsides, other disturbed sites, clays or sands, often alkaline soils
|elevation=-60–1800 m
|distribution=Ariz.;Calif.;Colo.;Nev.;N.Mex.;Tex.;Utah;Mexico.
|discussion=<p>J. M. Kingsbury (1964) reported <i>Laënnecia coulteri</i> (as <i>Conyza</i> coulteri) to be toxic to livestock.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Laënnecia coulteri
|authority=coulteri (A. Gray) G. L. Nesom
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Conyza coulteri
|family=Asteraceae
|phenology=Flowering year round, mostly fall.
|habitat=Stream banks, roadsides, other disturbed sites, clays or sands, often alkaline soils
|elevation=-60–1800 m
|distribution=Ariz.;Calif.;Colo.;Nev.;N.Mex.;Tex.;Utah;Mexico.
|reference=None
|publication title=Phytologia
|publication year=1990
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_42.xml
|tribe=Asteraceae tribe Astereae
|genus=Laënnecia
|species=Laënnecia coulteri
}}<!--

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