View source for Oönopsis engelmannii

{{Treatment/ID
|accepted_name=Oönopsis engelmannii
|accepted_authority=engelmannii (A. Gray) Greene
|publications={{Treatment/Publication
|title=Pittonia
|place=3: 45. 1896
|year=1896
}}
|common_names=Engelmann’s goldenweed
|basionyms={{Treatment/ID/Synonym
|name=Bigelowia engelmannii
|authority=A. Gray
}}
|synonyms={{Treatment/ID/Synonym
|name=Haplopappus engelmannii
|authority=(A. Gray) H. M. Hall
}}
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Oönopsis;Oönopsis engelmannii
|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>[[Oönopsis]]</div><div class="higher-taxon"><small>species</small>[[Oönopsis engelmannii]]</div></div>
|volume=Volume 20
|mention_page=page 412
|treatment_page=page 411
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>6–30 cm. <b>Stems</b> glabrous or scabrous. <b>Leaf</b> blades linear to linear-oblanceolate, (5–)10–80(–95) × 0.7–2.6(–3) mm, cauline bases not auriculate or clasping, distalmost cauline abruptly reduced. <b>Heads</b> not immediately subtended by leaflike bracts. <b>Involucres</b> 7–11.5(–13) mm. <b>Phyllary</b> apices abruptly acute to obtuse, apiculate to cuspidate. <b>Ray</b> florets 0. <b>Disc</b> florets 7–28. <b>Cypselae</b> 5–6 mm, faces glabrous or sparsely scabrous. <b>2n</b> = 20.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul–Sep.
|habitat=Barrens, limestone and clay outcrops and ridges, sandy or gravelly slopes, shaley slopes (often with Frasera coloradensis), cactus-scrub, dry powdery clay, gypsiferous shale, ditches, pastures, fencelines, drying shorelines, usually in sites within shortgrass prairie
|elevation=1200–1900 m
|distribution=Colo.;Kans.
|discussion=<p><i>Oönopsis engelmannii</i> grows in Baca, Bent, Cheyenne, Denver, El Paso, Elbert, Kiowa, and Lincoln counties in Colorado, and in Hamilton County, Kansas. Hybrids are documented between <i>O. engelmannii</i> and <i>O. foliosa </i>var.<i> foliosa</i>.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Oönopsis engelmannii
|author=
|authority=engelmannii (A. Gray) Greene
|rank=species
|parent rank=genus
|synonyms=Haplopappus engelmannii
|basionyms=Bigelowia engelmannii
|family=Asteraceae
|phenology=Flowering Jul–Sep.
|habitat=Barrens, limestone and clay outcrops and ridges, sandy or gravelly slopes, shaley slopes (often with Frasera coloradensis), cactus-scrub, dry powdery clay, gypsiferous shale, ditches, pastures, fencelines, drying shorelines, usually in sites within shortgrass prairie
|elevation=1200–1900 m
|distribution=Colo.;Kans.
|reference=None
|publication title=Pittonia
|publication year=1896
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V20_941.xml
|tribe=Asteraceae tribe Astereae
|genus=Oönopsis
|species=Oönopsis engelmannii
}}<!--

-->[[Category:Treatment]][[Category:Oönopsis]]