View source for Mentzelia argillicola

{{Treatment/ID
|accepted_name=Mentzelia argillicola
|accepted_authority=N. H. Holmgren & P. K. Holmgren
|publications={{Treatment/Publication
|title=Syst. Bot.
|place=27: 751, fig. 3. 2002
|year=2002
}}
|common_names=Pioche blazingstar
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}{{Treatment/ID/Special_status
|code=C
|label=Conservation concern
}}
|basionyms=
|synonyms=
|hierarchy=Loasaceae;Mentzelia;Mentzelia sect. Bartonia;Mentzelia argillicola
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Loasaceae]]</div><div class="higher-taxon"><small>genus</small>[[Mentzelia]]</div><div class="higher-taxon"><small>section</small>[[Mentzelia sect. Bartonia]]</div><div class="higher-taxon"><small>species</small>[[Mentzelia argillicola]]</div></div>
|volume=Volume 12
|mention_page=page 499
|treatment_page=page 507
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial, bushlike, with subterranean caudices. <b>Stems</b> multiple, erect or decumbent, straight; branches along entire stem, distal longest, antrorse, straight; hairy. <b>Leaves</b>: blade (13.5–)16.4–33.3 × 1.5–8.8 mm, widest intersinus distance 1.5–6.1 mm; proximal oblanceolate to spatulate, margins entire or pinnate, lobes 0–8 (always some leaves with 5+ lobes), perpendicular to leaf axis, 0.5–2 mm, always some more than 1.4 mm; distal oblanceolate, elliptic, lanceolate, or linear, base not clasping, margins entire, dentate, or pinnate, teeth or lobes 0–6, perpendicular to leaf axis, 0.1–2 mm; abaxial surface with complex grappling-hook, needlelike, and occasionally simple grappling-hook trichomes, adaxial surface with needlelike and generally simple grappling-hook trichomes. <b>Bracts</b>: margins entire. <b>Flowers</b>: petals golden yellow, 7.2–11.9 × 2.7–4.9 mm, apex acute to rounded, glabrous abaxially; stamens golden yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 5.5–10.3 × 1.4–2.7 mm, with anthers, second whorl with anthers; anthers usually twisted after dehiscence, epidermis papillate; styles 5–9 mm. <b>Capsules</b> cup-shaped, 4.9–7.6 × 3.4–5.5 mm, base rounded to tapering, not longitudinally ridged. <b>Seeds</b>: coat anticlinal cell walls straight, papillae 5–8 per cell. <b>2n</b> = 22.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jun–Aug.
|habitat=Sparsely vegetated cliffs and knolls, gypsum-rich clayey soils.
|elevation=1400–1900 m.
|distribution=Nev.
|discussion=<p><i>Mentzelia argillicola</i> is known only from Lincoln County.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Mentzelia argillicola
|authority=N. H. Holmgren & P. K. Holmgren
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Loasaceae
|phenology=Flowering Jun–Aug.
|habitat=Sparsely vegetated cliffs and knolls, gypsum-rich clayey soils.
|elevation=1400–1900 m.
|distribution=Nev.
|reference=None
|publication title=Syst. Bot.
|publication year=2002
|special status=Endemic;Conservation concern
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_1008.xml
|genus=Mentzelia
|section=Mentzelia sect. Bartonia
|species=Mentzelia argillicola
}}<!--

-->[[Category:Treatment]][[Category:Mentzelia sect. Bartonia]]