View source for Streptanthus oblanceolatus

{{Treatment/ID
|accepted_name=Streptanthus oblanceolatus
|accepted_authority=T. W. Nelson & J. P. Nelson
|publications={{Treatment/Publication
|title=Madroño
|place=56: 127, fig. 1. 2009
|year=2009
}}
|basionyms=
|synonyms=
|hierarchy=Brassicaceae;Brassicaceae tribe Thelypodieae;Streptanthus;Streptanthus oblanceolatus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Brassicaceae]]</div><div class="higher-taxon"><small>tribe</small>[[Brassicaceae tribe Thelypodieae]]</div><div class="higher-taxon"><small>genus</small>[[Streptanthus]]</div><div class="higher-taxon"><small>species</small>[[Streptanthus oblanceolatus]]</div></div>
|volume=Volume 7
|mention_page=page 702
|treatment_page=page 719
}}<!--

--><span class="statement" id="st-undefined" data-properties="">Biennials; (glaucous), glabrous throughout. <b>Stems</b>: (base woody), virgately branched distally, 5–10 dm. <b>Basal</b> leaves rosulate; petiolate; blade oblanceolate, 3.5–7 cm, margins coarsely dentate distally. <b>Cauline</b> leaves: blade linear-lanceolate, 2–10 cm, (much smaller distally), base auriculate, margins entire. <b>Racemes</b> bracteate below or between proximalmost 1 or 2 flowers, (lax). <b>Fruiting</b> pedicels ascending, 3–6 mm, (strongly expanded at receptacle). <b>Flowers</b>: calyx shape unknown; sepals yellow, 8–9 mm, slightly keeled, (apex acuminate, recurved); petals yellowish, 12–16 mm, blade 4–5 × 0.5–1 mm, (adaxial pair slightly longer), margins not crisped, claw 7–9 mm, wider than blade, (apex recurved); stamens in 3 unequal pairs; filaments: abaxial pair (distinct), 9–11 mm, lateral pair 7–9 mm, adaxial pair (connate distal to middle of their length), 13–16 mm; anthers: abaxial and lateral pairs fertile, 3–3.5 mm, adaxial pair sterile, ca. 1 mm. <b>Fruits</b> divaricate ascending, torulose, flattened, 4–8 cm × 1.5–2 mm; replum straight; ovules per ovary unknown; style to 1 mm; stigma entire. <b>Seeds</b> oblong, ca. 2 × 1 mm; wing distal.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jun–Jul.
|habitat=Cliffs and canyon walls in conifer forests
|elevation=ca. 400 m
|distribution=Calif.
|discussion=<p>Of conservation concern.</p><!--
--><p>Streptanthus oblanceolatus is known from Box Canyon, Trinity River, Trinity County.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Streptanthus oblanceolatus
|author=
|authority=T. W. Nelson & J. P. Nelson
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Brassicaceae
|phenology=Flowering Jun–Jul.
|habitat=Cliffs and canyon walls in conifer forests
|elevation=ca. 400 m
|distribution=Calif.
|reference=None
|publication title=Madroño
|publication year=2009
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V7/V7_1251.xml
|tribe=Brassicaceae tribe Thelypodieae
|genus=Streptanthus
|species=Streptanthus oblanceolatus
}}<!--

-->[[Category:Treatment]][[Category:Streptanthus]]