View source for Descurainia incana

{{Treatment/ID
|accepted_name=Descurainia incana
|accepted_authority=(Bernhardi ex Fischer & C. A. Meyer) Dorn
|publications={{Treatment/Publication
|title=Vasc. Pl. Wyoming,
|place=296. 1988
|year=1988
}}
|basionyms={{Treatment/ID/Basionym
|name=Sisymbrium incanum
|authority=Bernhardi ex Fischer & C. A. Meyer
|publication_title=Index Seminum (St. Petersburg)
|publication_place=1: 38. 1835
}}
|synonyms={{Treatment/ID/Synonym
|name=Descurainia incana var. brevipes
|authority=(Nuttall) S. L. Welsh
}} {{Treatment/ID/Synonym
|name=Descurainia incana var. macrosperma
|authority=(O. E. Schulz) Dorn
}} {{Treatment/ID/Synonym
|name=Descurainia incana var. major
|authority=(Hooker) Dorn
}} {{Treatment/ID/Synonym
|name=Descurainia incana subsp. procera
|authority=(Greene) Kartesz & Gandhi
}} {{Treatment/ID/Synonym
|name=Descurainia richardsonii var. alpestris
|authority=(Cockerell) O. E. Schulz
}} {{Treatment/ID/Synonym
|name=Descurainia richardsonii var. brevipes
|authority=(Nuttall) S. L. Welsh & Reveal
}} {{Treatment/ID/Synonym
|name=Descurainia richardsonii var. macrosperma
|authority=O. E. Schulz
}} {{Treatment/ID/Synonym
|name=Descurainia richardsonii subsp. procera
|authority=(Greene) Detling
}} {{Treatment/ID/Synonym
|name=Descurainia richardsonii var. procera
|authority=(Greene) Breitung
}} {{Treatment/ID/Synonym
|name=Sisymbrium canescens var. alpestre
|authority=Cockerell
}} {{Treatment/ID/Synonym
|name=Sisymbrium canescens var. brevipes
|authority=Nuttall
}} {{Treatment/ID/Synonym
|name=Sisymbrium canescens var. major
|authority=Hooker
}} {{Treatment/ID/Synonym
|name=Sisymbrium procerum
|authority=unknown
}} {{Treatment/ID/Synonym
|name=Sophia brevipes
|authority=unknown
}} {{Treatment/ID/Synonym
|name=Sophia procera
|authority=unknown
}}
|hierarchy=Brassicaceae;Brassicaceae tribe Descurainieae;Descurainia;Descurainia incana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Brassicaceae]]</div><div class="higher-taxon"><small>tribe</small>[[Brassicaceae tribe Descurainieae]]</div><div class="higher-taxon"><small>genus</small>[[Descurainia]]</div><div class="higher-taxon"><small>species</small>[[Descurainia incana]]</div></div>
|volume=Volume 7
|mention_page=page 519, 520, 521, 523, 529
|treatment_page=page 522
}}<!--

--><span class="statement" id="st-undefined" data-properties="">Biennials; usually eglandular, rarely glandular; finely pubescent, sometimes canescent, trichomes dendritic. <b>Stems</b> erect, unbranched basally, often many-branched distally, (1.5–)2.5–12 dm. <b>Basal</b> leaves: petiole 1–3.5(–5.5) cm; blade pinnatifid, broadly lanceolate to oblanceolate or obovate in outline, 1.5–10(–13) cm, lateral lobes linear to oblong or narrowly lanceolate, [3–10(–15) × 1–3(–5) mm], margins entire. <b>Cauline</b> leaves sessile or shortly petiolate; blade smaller distally, distal lobes often narrower. <b>Racemes</b> considerably elongated in fruit. <b>Fruiting</b> pedicels erect to erect-ascending, straight, 2–8(–11) mm. <b>Flowers</b>: sepals erect, yellowish, oblong, 1–1.8 mm, sparsely pubescent; petals oblanceolate, 1.2–2 × 0.3–0.6 mm; median filaments 1.4–2 mm; anthers 0.3–0.4 mm. <b>Fruits</b> erect, (often strictly appressed to rachis), linear, slightly torulose, (4–)5–10(–15) × 0.7–1.2(–1.5) mm, (acute at both ends); valves each with distinct midvein; septum often with distinct midvein; ovules 14–22 per ovary; style 0.1–0.4 mm, glabrous. <b>Seeds</b> uniseriate, reddish brown, ellipsoid to narrowly oblong, 0.8–1.2 × 0.4–0.5 mm. <b>2n</b> = 14, 28.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Sep.
|habitat=Alpine and subalpine areas, gravel and sand bars, scree, grassy slopes, prairies, steep rocky slopes, roadsides, disturbed sites, waste grounds, meadows, spruce-fir, pine, aspen, or sagebrush communities
|elevation=100-3500 m
|distribution=Alta.;B.C.;Man.;N.W.T.;Nunavut;Ont.;Que.;Sask.;Yukon;Alaska;Calif.;Colo.;Idaho;Maine;Minn.;Mont.;Nev.;N.Mex.;N.Dak.;S.Dak.;Utah;Wyo.
|discussion=<p><i>Descurainia incana</i> is a distinctive species readily separated from the other North American taxa of the genus by having fruits and fruiting bases strictly appressed to rachises, and septums with a distinct midvein. Collections identified as such, but with fruits and pedicels not or only weakly appressed to the rachis, most likely represent hybrids between this species and others.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Descurainia incana
|author=
|authority=(Bernhardi ex Fischer & C. A. Meyer) Dorn
|rank=species
|parent rank=genus
|synonyms=Descurainia incana var. brevipes;Descurainia incana var. macrosperma;Descurainia incana var. major;Descurainia incana subsp. procera;Descurainia richardsonii var. alpestris;Descurainia richardsonii var. brevipes;Descurainia richardsonii var. macrosperma;Descurainia richardsonii subsp. procera;Descurainia richardsonii var. procera;Sisymbrium canescens var. alpestre;Sisymbrium canescens var. brevipes;Sisymbrium canescens var. major;Sisymbrium procerum;Sophia brevipes;Sophia procera
|basionyms=Sisymbrium incanum
|family=Brassicaceae
|phenology=Flowering May–Sep.
|habitat=Alpine and subalpine areas, gravel and sand bars, scree, grassy slopes, prairies, steep rocky slopes, roadsides, disturbed sites, waste grounds, meadows, spruce-fir, pine, aspen, or sagebrush communities
|elevation=100-3500 m
|distribution=Alta.;B.C.;Man.;N.W.T.;Nunavut;Ont.;Que.;Sask.;Yukon;Alaska;Calif.;Colo.;Idaho;Maine;Minn.;Mont.;Nev.;N.Mex.;N.Dak.;S.Dak.;Utah;Wyo.
|reference=None
|publication title=Vasc. Pl. Wyoming,
|publication year=1988
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V7/V7_821.xml
|tribe=Brassicaceae tribe Descurainieae
|genus=Descurainia
|species=Descurainia incana
}}<!--

-->[[Category:Treatment]][[Category:Descurainia]]