View source for Xanthisma grindelioides

{{Treatment/ID
|accepted_name=Xanthisma grindelioides
|accepted_authority=(Nuttall) D. R. Morgan & R. L. Hartman
|publications={{Treatment/Publication
|title=Sida
|place=20: 1403. 2003
|year=2003
}}
|common_names=Goldenweed;gumweed aster
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Eriocarpum grindelioides
|authority=Nuttall
|rank=species
|publication_title=Trans. Amer. Philos. Soc., n. s.
|publication_place=7: 321. 1840
}}
|synonyms={{Treatment/ID/Synonym
|name=Haplopappus nuttallii
|authority=Torrey & A. Gray
|rank=species
}} {{Treatment/ID/Synonym
|name=Machaeranthera grindelioides
|authority=(Nuttall) Shinners
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Xanthisma;Xanthisma sect. Blepharodon;Xanthisma grindelioides
|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>[[Xanthisma]]</div><div class="higher-taxon"><small>section</small>[[Xanthisma sect. Blepharodon]]</div><div class="higher-taxon"><small>species</small>[[Xanthisma grindelioides]]</div></div>
|volume=Volume 20
|mention_page=page 383, 384
|treatment_page=page 387
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Subshrubs,</b> 3–35 cm (tufted or densely cespitose, often mound-forming); caudices much branched, taproot 2–20+ cm. <b>Stems</b> 10–30+, simple or branched in distal 1/3, moderately stout to stout, not wiry, hairy or minutely stipitate-glandular. <b>Leaves</b>: basal often persistent; cauline evenly spaced, blades oblong, obovate, lanceolate to spatulate or narrowly ovate to obovate, 7–60 × 2–13 mm, gradually reduced distally, margins usually evenly coarsely serrate to serrulate, teeth 4–16 per side, each tipped with white bristle 0.5–4 mm, faces sparsely to densely hairy (hairs subappressed), often minutely stipitate-glandular. <b>Heads</b> 1–10+. <b>Peduncles</b> sparsely to densely hairy, often stipitate-glandular; sometimes bracteate. <b>Involucres</b> hemispheric to campanulate, 0.5–1 × 0.6–1.5 cm. <b>Phyllaries</b> in 3–5 series, oblong to broadly lanceolate, 2–9 mm, apices obtuse to acute, tipped by white seta, faces usually densely stipitate-glandular. <b>Ray</b> florets 0. <b>Disc</b> florets 15–50+; corollas 5–8.5 mm. <b>Cypselae</b> oblong to narrowly obovoid, 2–3.5 mm, ribs 12–24, densely whitish to tawny hairy; pappi whitish to tawny, 3–7 mm, a few abaxial bristles to 1/3 of longest.</span><!--

-->{{Treatment/Body
|distribution=Alta.;Sask.;Ariz.;Colo.;Idaho;Mont.;N.Dak.;N.Mex.;Nebr.;Nev.;S.Dak.;Utah;Wyo.
|discussion=<p>Varieties 2 (2 in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Plants tufted, 10–35 cm; leaves evenly distributed along stems, margins usually ciliate, sometimes spinulose-dentate, bristles usually 0.5–1.5 mm; heads 1 or often 2–5; peduncles 0.5–2 cm, often bracteate to proximal to heads
|[[Xanthisma grindelioides var. grindeloides|Xanthisma grindelioides var. grindeloides]]
|-id=key-0-1
|1
|Plants densely cespitose, mostly 3–8 cm; leaves mostly crowded at base of stem, margins conspicuously white-bristled (1.5–)2–4 mm; heads usually 1; peduncles 1–4 cm, usually ebracteate
|[[Xanthisma grindelioides var. depressum|Xanthisma grindelioides var. depressum]]
|}
</div></div><!--

-->{{#Taxon:
name=Xanthisma grindelioides
|authority=(Nuttall) D. R. Morgan & R. L. Hartman
|rank=species
|parent rank=section
|synonyms=Haplopappus nuttallii;Machaeranthera grindelioides
|basionyms=Eriocarpum grindelioides
|family=Asteraceae
|distribution=Alta.;Sask.;Ariz.;Colo.;Idaho;Mont.;N.Dak.;N.Mex.;Nebr.;Nev.;S.Dak.;Utah;Wyo.
|reference=None
|publication title=Sida
|publication year=2003
|special status=Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_882.xml
|tribe=Asteraceae tribe Astereae
|genus=Xanthisma
|section=Xanthisma sect. Blepharodon
|species=Xanthisma grindelioides
}}<!--

-->

[[Category:Treatment]]
[[Category:Xanthisma sect. Blepharodon]]
[[Category:Revised Since Print]]