View source for Oenothera canescens

{{Treatment/ID
|accepted_name=Oenothera canescens
|accepted_authority=Torrey & Frémont in J. C. Fremont
|publications={{Treatment/Publication
|title=Rep. Exped. Rocky Mts.,
|place=315. 1845
|year=1845
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Gaurella canescens
|authority=(Torrey & Frémont) A. Nelson
|rank=species
}} {{Treatment/ID/Synonym
|name=Megapterium canescens
|authority=(Torrey & Frémont) Britton
|rank=species
}} {{Treatment/ID/Synonym
|name=Oenothera guttulata
|authority=Geyer ex Hooker
|rank=species
}}
|hierarchy=Onagraceae;Onagraceae subfam. Onagroideae;Onagraceae tribe Onagreae;Oenothera;Oenothera sect. Gauropsis;Oenothera canescens
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Onagraceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Onagraceae subfam. Onagroideae]]</div><div class="higher-taxon"><small>tribe</small>[[Onagraceae tribe Onagreae]]</div><div class="higher-taxon"><small>genus</small>[[Oenothera]]</div><div class="higher-taxon"><small>section</small>[[Oenothera sect. Gauropsis]]</div><div class="higher-taxon"><small>species</small>[[Oenothera canescens]]</div></div>
|volume=Volume 10
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs </b>low, forming clumps 10–50 cm diam., densely strigillose throughout; from a taproot, lateral roots producing adventitious shoots. <b>Stems</b> many-branched from base, leafy, (10–)15–25(–38) cm. <b>Leaves</b> cauline, (0.3–)0.6–1.5(–2.5) × (0.05–)0.15–0.4(–0.6) cm, fascicles of small leaves 0.2–0.6 cm often present in non-flowering axils; petiole 0–0.1 cm; blade lanceolate to linear, base cuneate, apex acute. <b>Flowers</b> several opening per day near sunset; buds usually without free tips, rarely free tips 0.2–0.3 mm; sepals (7–)8–12 mm; petals pink, rarely white, streaked or flecked with red, fading bright purple, (8–)10–17 mm; filaments 6–8 mm, anthers often with red longitudinal stripe, 3–6 mm; style (16–)22–27 mm, stigma exserted beyond anthers at anthesis. <b>Capsules</b> woody, ovoid, narrowly winged, wings 0.8–1.5 mm wide, (7–)9–12(–14) × 2–4 mm (excluding wings), abruptly constricted to a conspicuous, sterile beak, (2–)3–4.5 mm, indehiscent; sessile. <b>Seeds</b> asymmetrically cuneiform or oblanceoloid, 1.2–1.5 × 0.4–0.5 mm. <b>2n</b> = 14.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Aug.
|habitat=Prairie depressions, playas, margins of ditches, temporary wet areas.
|elevation=(400–)700–1800 m.
|distribution=Colo.;Kans.;Nebr.;N.Mex.;Okla.;Tex.;Wyo.
|discussion=<p>Oenothera canescens is restricted to prairie depressions, playas, ditch margins, and other places of temporary water in the High Plains of the western United States from Goshen County, Wyoming, southeast to Hayes County, Nebraska, south through eastern Colorado, the eastern tier of counties in New Mexico, western Kansas, and to Garza and Dawson counties in the Texas Panhandle; also disjunct populations from Chautauqua, Sedgwick, and Stafford counties, Kansas.</p><!--
--><p>The illegitimate names Gaurella guttulata (Geyer ex Hooker) Small, G. canescens (Torrey & Frémont) Cockerell, and Gauropsis guttulata (Geyer ex Hooker) Cockerell pertain here.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Oenothera canescens
|authority=Torrey & Frémont in J. C. Fremont
|rank=species
|parent rank=section
|synonyms=Gaurella canescens;Megapterium canescens;Oenothera guttulata
|basionyms=
|family=Onagraceae
|phenology=Flowering May–Aug.
|habitat=Prairie depressions, playas, margins of ditches, temporary wet areas.
|elevation=(400–)700–1800 m.
|distribution=Colo.;Kans.;Nebr.;N.Mex.;Okla.;Tex.;Wyo.
|reference=None
|publication title=Rep. Exped. Rocky Mts.,
|publication year=1845
|special status=
|source xml=https://xjsachs2@bitbucket.org/aafc-mbb/fna-data-curation.git/src/1f4bf54ae2f7dbd5376c45b4fe1b388e15b53086/coarse_grained_fna_xml/V10/V10_45.xml
|subfamily=Onagraceae subfam. Onagroideae
|tribe=Onagraceae tribe Onagreae
|genus=Oenothera
|section=Oenothera sect. Gauropsis
|species=Oenothera canescens
}}<!--

-->[[Category:Treatment]][[Category:Oenothera sect. Gauropsis]]