View source for Mentzelia integra

{{Treatment/ID
|accepted_name=Mentzelia integra
|accepted_authority=(M. E. Jones) Tidestrom
|publications={{Treatment/Publication
|title=Contr. U.S. Natl. Herb.
|place=25: 363. 1925
|year=1925
}}
|common_names=Virgin blazingstar
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Mentzelia multiflora var. integra
|authority=M. E. Jones
|rank=variety
|publication_title=Proc. Calif. Acad. Sci., ser.
|publication_place=2, 5: 689. 1895
}}
|synonyms={{Treatment/ID/Synonym
|name=Nuttallia lobata
|authority=Rydberg 1913
|rank=species
}}
|hierarchy=Loasaceae;Mentzelia;Mentzelia sect. Bartonia;Mentzelia integra
|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 integra]]</div></div>
|volume=Volume 12
|mention_page=page 502
|treatment_page=page 521
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>winter annual or biennial, candelabra-form. <b>Stems</b> solitary, erect, straight; branches distal or along entire stem, distal or proximal longest, antrorse, straight, proximal not decumbent; hairy or glabrescent. <b>Leaves</b>: blade (23–)29–78.4 × 3–14.6 mm, widest intersinus distance 1.6–8.5 mm; proximal oblanceolate or elliptic, margins dentate to serrate, teeth 4–12, proximal sides slightly antrorse, distal sides perpendicular to leaf axis, 0.8–5.3 mm; distal oblanceolate, elliptic, lanceolate, or linear, base not clasping, tapered, margins usually dentate to serrate, rarely entire, teeth (0–)2–10, proximal sides antrorse, distal sides perpendicular to leaf axis, 0.4–5.3 mm; abaxial surface with simple grappling-hook, complex grappling-hook, and needlelike trichomes, largest trichomes with pearly white bases, adaxial surface with needlelike trichomes. <b>Bracts</b>: margins entire. <b>Flowers</b>: petals golden yellow, 8.6–13.9(–17.4) × 2.9–4.7(–6.1) mm, apex rounded, glabrous abaxially; stamens golden yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 6.7–13.2(–15.4) × 1.7–4.3 mm, usually without, rarely with, anthers, second whorl with anthers; anthers straight after dehiscence, epidermis smooth; styles 4.8–11.3 mm. <b>Capsules</b> cup-shaped, 6.2–11.4(–13) × 6–8.4 mm, base rounded, not longitudinally ridged. <b>Seeds</b>: coat anticlinal cell walls wavy, papillae 5–13 per cell. <b>2n</b> = 20.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Sep.
|habitat=Roadsides, outcrops, hillsides, washes, dunes, sandy, gravelly, or volcanic soils.
|elevation=800–1800 m.
|distribution=Ariz.;Nev.;Utah.
|discussion=<p><i>Mentzelia integra</i> is found in northwestern Arizona, southeastern <i>Nevada</i>, and southwestern Utah.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Mentzelia integra
|authority=(M. E. Jones) Tidestrom
|rank=species
|parent rank=section
|synonyms=Nuttallia lobata
|basionyms=Mentzelia multiflora var. integra
|family=Loasaceae
|phenology=Flowering May–Sep.
|habitat=Roadsides, outcrops, hillsides, washes, dunes, sandy, gravelly, or volcanic soils.
|elevation=800–1800 m.
|distribution=Ariz.;Nev.;Utah.
|reference=None
|publication title=Contr. U.S. Natl. Herb.
|publication year=1925
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V12/V12_124.xml
|genus=Mentzelia
|section=Mentzelia sect. Bartonia
|species=Mentzelia integra
}}<!--

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