View source for Mentzelia multicaulis

{{Treatment/ID
|accepted_name=Mentzelia multicaulis
|accepted_authority=(Osterhout) J. Darlington
|publications={{Treatment/Publication
|title=Ann. Missouri Bot. Gard.
|place=21: 156. 1934
|year=1934
}}
|common_names=Multiple-branched or manystem blazingstar
|special_status={{Treatment/ID/Special_status
|code=F
|label=Selected by author to be illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Touterea multicaulis
|authority=Osterhout
|publication_title=Bull. Torrey Bot. Club
|publication_place=30: 236. 1903
}}
|synonyms=
|hierarchy=Loasaceae;Mentzelia;Mentzelia sect. Bartonia;Mentzelia multicaulis
|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 multicaulis]]</div></div>
|volume=Volume 12
|mention_page=page 500
|treatment_page=page 511
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial, bushlike, with subterranean caudices or sometimes rhizomes. <b>Stems</b> multiple, erect or decumbent, zigzag or straight; branches distal or along entire stem, distal longest or all ± equal, antrorse, straight to upcurved; hairy. <b>Leaves</b>: blade 20–49(–57) × 4.2–19 mm, widest intersinus distance 1.1–5.3 mm; proximal oblanceolate to elliptic, margins pinnate to pinnatisect, lobes 4–10, slightly antrorse, 0.7–7.6 mm; distal linear to lanceolate, base not clasping, margins entire or pinnate, lobes 0–10, slightly antrorse, 1.9–7.8 mm; abaxial surface with simple grappling-hook trichomes, adaxial surface with grappling-hook and needlelike trichomes. <b>Bracts</b>: margins entire. <b>Flowers</b>: petals golden yellow, 10.6–17.9 × 5.1–9 mm, apex obtuse, glabrous abaxially; stamens golden yellow, 5 outermost petaloid, filaments oblanceolate, slightly clawed, 6.5–10.5 × 2–4.5 mm, with anthers, second whorl with anthers; anthers twisted or straight after dehiscence, epidermis smooth; styles 6–11.5 mm. <b>Capsules</b> cup-shaped to cylindric, 6–13.6 × 3.4–6 mm, base tapering to rounded, not longitudinally ridged. <b>Seeds</b>: coat anticlinal cell walls straight, papillae 4–9 per cell. <b>2n</b> = 22.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jun–Aug.
|habitat=Sparsely vegetated steep slopes, drainage gullies, roadcuts.
|elevation=2000–2500 m.
|distribution=Colo.
|discussion=<p><i>Mentzelia multicaulis</i> is known to occur in Eagle, Grand, and Summit counties.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Mentzelia multicaulis
|author=
|authority=(Osterhout) J. Darlington
|rank=species
|parent rank=section
|synonyms=
|basionyms=Touterea multicaulis
|family=Loasaceae
|phenology=Flowering Jun–Aug.
|habitat=Sparsely vegetated steep slopes, drainage gullies, roadcuts.
|elevation=2000–2500 m.
|distribution=Colo.
|reference=None
|publication title=Ann. Missouri Bot. Gard.
|publication year=1934
|special status=Selected by author to be illustrated;Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V12/V12_161.xml
|genus=Mentzelia
|section=Mentzelia sect. Bartonia
|species=Mentzelia multicaulis
}}<!--

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