View source for Athysanus unilateralis

{{Treatment/ID
|accepted_name=Athysanus unilateralis
|accepted_authority=(M. E. Jones) Jepson
|publications={{Treatment/Publication
|title=Fl. W. Calif.,
|place=224. 1901
|year=1901
}}
|basionyms={{Treatment/ID/Basionym
|name=Draba unilateralis
|authority=M. E. Jones
|rank=species
|publication_title=Bull. Torrey Bot. Club
|publication_place=9: 124. 1882
}}
|synonyms={{Treatment/ID/Synonym
|name=Heterodraba unilateralis
|authority=(M. E. Jones) Greene
|rank=species
}}
|hierarchy=Brassicaceae;Brassicaceae tribe Arabideae;Athysanus;Athysanus unilateralis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Brassicaceae]]</div><div class="higher-taxon"><small>tribe</small>[[Brassicaceae tribe Arabideae]]</div><div class="higher-taxon"><small>genus</small>[[Athysanus]]</div><div class="higher-taxon"><small>species</small>[[Athysanus unilateralis]]</div></div>
|volume=Volume 7
|mention_page=page 267
|treatment_page=page 268
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>pubescent. <b>Stems</b> (0.3–)0.7–2.5(–3.5) dm. <b>Basal</b> leaves subsessile or petiole to 0.3 cm; blade oblanceolate, obovate, or oblong, (0.3–)0.7–2(–2.2) cm × (2–)4–7 mm, margins entire or with a tooth on each side, apex obtuse, surfaces uniformly pubescent, trichomes cruciform with fewer, 3-rayed ones. <b>Cauline</b> leaves 2–5; blade similar to but smaller than basal, (base cuneate, not auriculate). <b>Fruiting</b> pedicels stout, 1–2(–3) mm. <b>Flowers</b>: sepals 0.6–1 × 0.4–0.6 mm; petals spatulate, 1.3–1.7 × 0.5–0.8 mm; filaments 0.5–0.9 mm; anthers 0.1–0.2 mm. <b>Fruits</b> elliptic, obovate, or orbicular, flattened or slightly twisted; valves thickened, veins often prominent, glabrous or uniformly pubescent, trichomes subsessile or short-stalked, cruciform and 3-rayed, sometimes mixed with stouter, simple or forked, subsetiform ones to 0.6 mm, not hooked; septum complete, (membranous); ovules 6–12 per ovary; style 0.1–0.2 mm. <b>Seeds</b> often 2 or more, 0.9–1.2 × 0.6–0.8 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering Feb–May.
|habitat=Open grassy slopes and flats, friable clay, flood plains, adobe and heavy gumbo clay, gypsum clay slopes
|elevation=100-900 m
|distribution=Calif.;Oreg.;Mexico (Baja California).
|discussion=<p>It appears that <i>Athysanus unilateralis</i> is known in Oregon only from Jackson County; it is more widespread in California.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Athysanus unilateralis
|authority=(M. E. Jones) Jepson
|rank=species
|parent rank=genus
|synonyms=Heterodraba unilateralis
|basionyms=Draba unilateralis
|family=Brassicaceae
|phenology=Flowering Feb–May.
|habitat=Open grassy slopes and flats, friable clay, flood plains, adobe and heavy gumbo clay, gypsum clay slopes
|elevation=100-900 m
|distribution=Calif.;Oreg.;Mexico (Baja California).
|reference=None
|publication title=Fl. W. Calif.,
|publication year=1901
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_358.xml
|tribe=Brassicaceae tribe Arabideae
|genus=Athysanus
|species=Athysanus unilateralis
}}<!--

-->[[Category:Treatment]][[Category:Athysanus]]