View source for Mentzelia canyonensis

{{Treatment/ID
|accepted_name=Mentzelia canyonensis
|accepted_authority=J. J. Schenk
|publications={{Treatment/Publication
|title=W. C. Hodgson & L. Hufford, Brittonia
|place=65: 410, figs. 1,2. 2013
|year=2013
}}
|common_names=Grand Canyon blazingstar
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Loasaceae;Mentzelia;Mentzelia sect. Bartonia;Mentzelia canyonensis
|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 canyonensis]]</div></div>
|volume=Volume 12
|mention_page=page 499
|treatment_page=page 504
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial, bushlike, with subterranean caudices or rhizomes. <b>Stems</b> multiple, erect or decumbent, zigzag; branches along entire stem, all ± equal, antrorse, upcurved; hairy. <b>Leaves</b>: blade 16–31 × 3.9–9.2 mm, widest intersinus distance 3–-8.3 mm; proximal oblanceolate to elliptic, margins entire or dentate, teeth 0–4(–6), perpendicular to leaf axis, 0.2–1.3 mm; distal oblanceolate to elliptic, base not clasping, margins entire or dentate, teeth 0–4, perpendicular to leaf axis, 0.4–2 mm; abaxial surface with simple grappling-hook (occasionally absent) and complex grappling-hook trichomes, adaxial surface with complex grappling-hook and needlelike trichomes. <b>Bracts</b>: margins entire. <b>Flowers</b>: petals white, 9–15 × 1.8–2.4 mm, apex rounded to acute, glabrous abaxially; stamens white, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 7.1–13 × 0.5–1.4 mm, with anthers, second whorl with anthers; anthers twisted or straight after dehiscence, epidermis papillate; styles 4.8–-7.3 mm. <b>Capsules</b> cup-shaped, 4.5–8(–13) × 4.5–7 mm, base rounded, not longitudinally ridged. <b>Seeds</b>: coat anticlinal cell walls straight, papillae usually 6–9 per cell.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Nov.
|habitat=Loose, rocky soils primarily on steep, degraded slopes, less frequently on stream bottoms, Muav limestones and Bright Angel shales.
|elevation=800–1600 m.
|distribution=Ariz.
|discussion=<p><i>Mentzelia canyonensis</i> is known only from the Grand Canyon and Little Colorado River canyon in Coconino County.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Mentzelia canyonensis
|author=
|authority=J. J. Schenk
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Loasaceae
|phenology=Flowering May–Nov.
|habitat=Loose, rocky soils primarily on steep, degraded slopes, less frequently on stream bottoms, Muav limestones and Bright Angel shales.
|elevation=800–1600 m.
|distribution=Ariz.
|reference=None
|publication title=W. C. Hodgson & L. Hufford, Brittonia
|publication year=2013
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V12/V12_1063.xml
|genus=Mentzelia
|section=Mentzelia sect. Bartonia
|species=Mentzelia canyonensis
}}<!--

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