View source for Mentzelia sivinskii

{{Treatment/ID
|accepted_name=Mentzelia sivinskii
|accepted_authority=J. J. Schenk & L. Hufford
|publications={{Treatment/Publication
|title=Madroño
|place=57: 253, fig. 4A. 2010
|year=2010
}}
|common_names=Sivinski’s blazingstar
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Mentzelia linearifolia
|authority=S. L. Welsh & N. D. Atwood
|rank=species
}}
|hierarchy=Loasaceae;Mentzelia;Mentzelia sect. Bartonia;Mentzelia sivinskii
|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 sivinskii]]</div></div>
|volume=Volume 12
|mention_page=page 502, 523
|treatment_page=page 522
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>biennial, bushlike or candelabra-form. <b>Stems</b> solitary, erect, straight; branches distal or along entire stem, distal or proximal longest, antrorse, straight; hairy. <b>Leaves</b>: blade 32.8–112.2 × 2.9–11.4 mm, widest intersinus distance 1–2.9 mm; proximal oblanceolate to elliptic, margins pinnate, lobes 18–24, perpendicular to leaf axis, 0.8–4 mm; distal elliptic to lanceolate, base not clasping, margins pinnate, lobes 6–16, perpendicular to leaf axis, 1–5.1 mm; abaxial surface with simple grappling-hook, complex grappling-hook, and needlelike trichomes, adaxial surface with needlelike and occasionally simple grappling-hook trichomes. <b>Bracts</b>: margins entire. <b>Flowers</b>: petals light to golden yellow, 9–14.7 × 3.1–6.4 mm, apex rounded, glabrous abaxially; stamens light to golden yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 6.3–11.5 × 2.4–4.9 mm, with anthers, second whorl with anthers; anthers straight after dehiscence, epidermis smooth; styles 4.6–9.9 mm. <b>Capsules</b> cup-shaped, 8.2–12.7 × 5.1–7.7 mm, base tapering to rounded, not longitudinally ridged. <b>Seeds</b>: coat anticlinal cell walls sinuous, papillae 12–21 per cell. <b>2n</b> = 18.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jun–Aug.
|habitat=Knolls, slopes, and grassland roadsides, gypsum or brown clayey soils.
|elevation=1500–1900 m.
|distribution=Colo.;N.Mex.
|discussion=<p><i>Mentzelia sivinskii</i> is known from La Plata County, Colorado, and Rio Arriba and San Juan counties, New Mexico.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Mentzelia sivinskii
|authority=J. J. Schenk & L. Hufford
|rank=species
|parent rank=section
|synonyms=Mentzelia linearifolia
|basionyms=
|family=Loasaceae
|phenology=Flowering Jun–Aug.
|habitat=Knolls, slopes, and grassland roadsides, gypsum or brown clayey soils.
|elevation=1500–1900 m.
|distribution=Colo.;N.Mex.
|reference=None
|publication title=Madroño
|publication year=2010
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V12/V12_1016.xml
|genus=Mentzelia
|section=Mentzelia sect. Bartonia
|species=Mentzelia sivinskii
}}<!--

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