View source for Mentzelia rusbyi

{{Treatment/ID
|accepted_name=Mentzelia rusbyi
|accepted_authority=Wooton
|publications={{Treatment/Publication
|title=Bull. Torrey Bot. Club
|place=25: 261. 1898
|year=1898
}}
|common_names=Rusby’s blazingstar
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Nuttallia rusbyi
|authority=(Wooton) Rydberg
}}
|hierarchy=Loasaceae;Mentzelia;Mentzelia sect. Bartonia;Mentzelia rusbyi
|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 rusbyi]]</div></div>
|volume=Volume 12
|mention_page=page 500, 505
|treatment_page=page 508
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>biennial or perennial, candelabra-form, perennials with ground-level caudices. <b>Stems</b> solitary, erect, straight; branches distal, distal longest, antrorse, straight; hairy. <b>Leaves</b>: blade 41–123 × 6.4–26.4 mm, widest intersinus distance 4.8–18 mm; proximal spatulate, elliptic, or lanceolate, margins dentate, teeth 10–24, perpendicular to leaf axis, 0.6–3.6 mm; distal lanceolate, base not clasping, margins dentate, teeth 10–22, perpendicular to leaf axis, 1.2–6 mm; abaxial surface with simple grappling-hook, complex grappling-hook, and needlelike trichomes, adaxial surface with simple grappling-hook and needlelike trichomes. <b>Bracts</b>: margins pinnate. <b>Flowers</b>: petals light yellow, 11.8–23.8 × 3–6.9 mm, apex acute, glabrous abaxially; stamens light yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 9.2–19.5 × 1.5–4.5 mm, usually without, rarely with, anthers, second whorl with anthers; anthers straight after dehiscence, epidermis smooth; styles 9–14 mm. <b>Capsules</b> cylindric, (13–)18.8–29 × 7–10.5 mm, base tapering to rounded, longitudinally ridged. <b>Seeds</b>: coat anticlinal cell walls sinuous, papillae 23–54 per cell. <b>2n</b> = 20.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul–Aug(–Sep).
|habitat=Mesic habitats, moist washes, roadsides, roadcuts, steep to gentle slopes, disturbed sites, rocky soils composed of sand and loam.
|elevation=1800–3100 m.
|distribution=Ariz.;Colo.;N.Mex.;Utah;Wyo.
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Mentzelia rusbyi
|author=
|authority=Wooton
|rank=species
|parent rank=section
|synonyms=Nuttallia rusbyi
|basionyms=
|family=Loasaceae
|phenology=Flowering Jul–Aug(–Sep).
|habitat=Mesic habitats, moist washes, roadsides, roadcuts, steep to gentle slopes, disturbed sites, rocky soils composed of sand and loam.
|elevation=1800–3100 m.
|distribution=Ariz.;Colo.;N.Mex.;Utah;Wyo.
|reference=None
|publication title=Bull. Torrey Bot. Club
|publication year=1898
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V12/V12_356.xml
|genus=Mentzelia
|section=Mentzelia sect. Bartonia
|species=Mentzelia rusbyi
}}<!--

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