View source for Physaria oregona

{{Treatment/ID
|accepted_name=Physaria oregona
|accepted_authority=S. Watson
|publications={{Treatment/Publication
|title=Proc. Amer. Acad. Arts
|place=17: 363. 1882
|year=1882
}}
|common_names=Oregon twinpod
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Coulterina oregona
|authority=(S. Watson) Kuntze
}}{{Treatment/ID/Synonym
|name=Lesquerella oregona
|authority=(S. Watson) G. A. Mulligan
}}
|hierarchy=Brassicaceae;Brassicaceae tribe Physarieae;Physaria;Physaria oregona
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Brassicaceae]]</div><div class="higher-taxon"><small>tribe</small>[[Brassicaceae tribe Physarieae]]</div><div class="higher-taxon"><small>genus</small>[[Physaria]]</div><div class="higher-taxon"><small>species</small>[[Physaria oregona]]</div></div>
|volume=Volume 7
|mention_page=page 618
|treatment_page=page 655
}}<!--

--><span class="statement" id="st-undefined" data-properties="">Perennials; caudex simple, (cespitose); (silvery) pubescent throughout, trichomes (stalked), few-rayed, rays furcate or imperfectly so, (tuberculate throughout). <b>Stems</b> several from base, erect or somewhat decumbent, (unbranched), 1–3.5 dm. <b>Basal</b> leaves: (petiole slender, usually incised or with broad teeth along petiole); blade obovate, 4–6 cm, margins entire. <b>Cauline</b> leaves: blade oblanceolate or broader, 1.5–2.5 cm, margins entire or sparsely dentate, (apex acute). <b>Racemes</b> somewhat loose, (5–15 cm). <b>Fruiting</b> pedicels (spreading or ascending, curved, fruits not pendent), 10–20 mm. <b>Flowers</b>: sepals oblong, 5–7 mm; petals (lemon yellow), spatulate, 9–12 mm. <b>Fruits</b> didymous, obreniform, moderately inflated, angustispetate, (8–)10–12(–15) × 10–14(–16) mm, (papery, not keeled, basal sinus absent, apical sinus broad and open); valves (retaining seeds after dehiscence, rounded or irregular), loosely pubescent, trichomes spreading; replum broadly lanceolate, as wide as or wider than fruit, apex acute; ovules 8 per ovary; style 1–2 mm. <b>Seeds</b> flattened. <b>2n</b> = 8.</span><!--

-->{{Treatment/Body
|phenology=Flowering Apr–Jun.
|habitat=Gravelly banks, stream shores, rocky slopes, dry hillsides, serpentine soils
|elevation=900-1900 m
|distribution=Idaho;Oreg.;Wash.
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Physaria oregona
|author=
|authority=S. Watson
|rank=species
|parent rank=genus
|synonyms=Coulterina oregona;Lesquerella oregona
|basionyms=
|family=Brassicaceae
|phenology=Flowering Apr–Jun.
|habitat=Gravelly banks, stream shores, rocky slopes, dry hillsides, serpentine soils
|elevation=900-1900 m
|distribution=Idaho;Oreg.;Wash.
|reference=None
|publication title=Proc. Amer. Acad. Arts
|publication year=1882
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V7/V7_1107.xml
|tribe=Brassicaceae tribe Physarieae
|genus=Physaria
|species=Physaria oregona
}}<!--

-->[[Category:Treatment]][[Category:Physaria]]