View source for Mentzelia aspera

{{Treatment/ID
|accepted_name=Mentzelia aspera
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 516. 1753
|year=1753
}}
|common_names=Rough stickleaf;dal-pega
|basionyms=
|synonyms=
|hierarchy=Loasaceae;Mentzelia;Mentzelia sect. Mentzelia;Mentzelia aspera
|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. Mentzelia]]</div><div class="higher-taxon"><small>species</small>[[Mentzelia aspera]]</div></div>
|volume=Volume 12
|mention_page=page 527, 529
|treatment_page=page 528
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual, without caudices or tubers. <b>Stems</b> erect to decumbent, to 30 cm. <b>Leaves</b>: petiole 10–65 mm; blade hastate to ovate, usually basally lobed, sometimes unlobed, to 18 × 10 cm, base cuneate to truncate, margins serrate to crenate, apex acute. <b>Pedicels</b> (fruiting) 1–3 × 2 mm (often appearing absent because thick and continuous with capsule). <b>Flowers</b>: petals orange or yellow, 5–15 × 3–7 mm, apex cuspidate, hairy abaxially at apex; stamens 20–30, 5 mm, filaments heteromorphic, 5 outermost narrowly spatulate, inner filiform; style 5 mm. <b>Capsules</b> subcylindric to clavate, 9–30 × 3–3.5 mm, base tapering gradually, capsule and pedicel not well-differentiated. <b>Seeds</b> 5–9 per capsule, pyriform to oblong, without transverse folds. <b>2n</b> = 20.</span><!--

-->{{Treatment/Body
|phenology=Flowering Aug–Oct.
|habitat=Arroyo and canyon bottoms, grasslands, desert scrub, riparian cottonwood and willow vegetation.
|elevation=100–2000 m.
|distribution=Ariz.;Mexico;West Indies;Central America;South America;introduced in Atlantic Islands (Cape Verde Islands).
|discussion=<p><i>Mentzelia aspera</i> is uncommon in southern Arizona. It is the most widespread species of the genus and is regarded as weedy by some authors (H. J. Thompson and A. M. Powell 1981).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Mentzelia aspera
|author=
|authority=Linnaeus
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Loasaceae
|phenology=Flowering Aug–Oct.
|habitat=Arroyo and canyon bottoms, grasslands, desert scrub, riparian cottonwood and willow vegetation.
|elevation=100–2000 m.
|distribution=Ariz.;Mexico;West Indies;Central America;South America;introduced in Atlantic Islands (Cape Verde Islands).
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V12/V12_327.xml
|genus=Mentzelia
|section=Mentzelia sect. Mentzelia
|species=Mentzelia aspera
}}<!--

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