View source for Mentzelia rhizomata

{{Treatment/ID
|accepted_name=Mentzelia rhizomata
|accepted_authority=Reveal
|publications={{Treatment/Publication
|title=Syst. Bot.
|place=27: 763, figs. 1, 2. 2002
|year=2002
}}
|common_names=Roan Cliffs blazingstar
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}{{Treatment/ID/Special_status
|code=C
|label=Conservation concern
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Nuttallia rhizomata
|authority=(Reveal) W. A. Weber & R. C. Wittmann
|rank=species
}}
|hierarchy=Loasaceae;Mentzelia;Mentzelia sect. Bartonia;Mentzelia rhizomata
|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 rhizomata]]</div></div>
|volume=Volume 12
|mention_page=page 500
|treatment_page=page 513
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial, bushlike, with rhizomes. <b>Stems</b> multiple, erect or decumbent, zigzag; branches along entire stem, distal longest, antrorse, upcurved; hairy. <b>Leaves</b>: blade 8.1–29 × 4.1–12.7 mm, widest intersinus distance 4.1–7.4 mm; proximal oblanceolate, margins entire; distal elliptic, base not clasping, margins entire or dentate, teeth 0–8, perpendicular to leaf axis, 0.6–2.7 mm; abaxial surface with simple grappling-hook and needlelike trichomes, adaxial surface with needlelike trichomes. <b>Bracts</b>: margins entire. <b>Flowers</b>: petals golden yellow, 12.5–17.2 × 6.1–11.2 mm, apex rounded to obtuse, glabrous abaxially; stamens golden yellow, 5 outermost petaloid, filaments narrowly spatulate, strongly clawed, 7–9.5 × 2.7–6 mm, with anthers, second whorl with anthers; anthers straight after dehiscence, epidermis smooth; styles 7–10 mm. <b>Capsules</b> cup-shaped, 7–10 × 6.5–8 mm, base rounded, not longitudinally ridged. <b>Seeds</b>: coat anticlinal cell walls straight, papillae 9–13 per cell.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul–Aug.
|habitat=Sparsely vegetated, steep talus slopes with loose gravelly soils.
|elevation=1700–2100 m.
|distribution=Colo.
|discussion=<p><i>Mentzelia rhizomata</i> is known only from Garfield County.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Mentzelia rhizomata
|authority=Reveal
|rank=species
|parent rank=section
|synonyms=Nuttallia rhizomata
|basionyms=
|family=Loasaceae
|phenology=Flowering Jul–Aug.
|habitat=Sparsely vegetated, steep talus slopes with loose gravelly soils.
|elevation=1700–2100 m.
|distribution=Colo.
|reference=None
|publication title=Syst. Bot.
|publication year=2002
|special status=Endemic;Conservation concern
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V12/V12_543.xml
|genus=Mentzelia
|section=Mentzelia sect. Bartonia
|species=Mentzelia rhizomata
}}<!--

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