View source for Oenothera demareei

{{Treatment/ID
|accepted_name=Oenothera demareei
|accepted_authority=(P. H. Raven & D. P. Gregory) W. L. Wagner & Hoch
|publications={{Treatment/Publication
|title=Syst. Bot. Monogr.
|place=83: 212. 2007
|year=2007
}}
|basionyms={{Treatment/ID/Basionym
|name=Gaura demareei
|authority=P. H. Raven & D. P. Gregory
|rank=species
|publication_title=Mem. Torrey Bot. Club
|publication_place=23(1): 78, figs. 21, 54.  1973
}}
|synonyms=
|hierarchy=Onagraceae;Onagraceae subfam. Onagroideae;Onagraceae tribe Onagreae;Oenothera;Oenothera sect. Gaura;Oenothera subsect. Gaura;Oenothera demareei
|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. Gaura]]</div><div class="higher-taxon"><small>subsection</small>[[Oenothera subsect. Gaura]]</div><div class="higher-taxon"><small>species</small>[[Oenothera demareei]]</div></div>
|volume=Volume 10
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs </b>usually robust winter-annual, sometimes biennial, densely strigillose throughout; from fleshy taproot. <b>Stems</b> usually well-branched distal to base, 50–400 cm. <b>Leaves</b> in a basal rosette and cauline, 3–7 × 0.2–0.8 cm; blade narrowly elliptic to elliptic or lanceolate, margins subentire or shallowly undulate-denticulate. <b>Flowers</b> 4-merous, zygomorphic, opening at sunrise; floral tube 4–13(–15) mm; sepals 13–20 mm; petals white, fading pink, rhombic-obovate, 10–17 mm; filaments 8–17 mm, anthers 3–7 mm, pollen 90–100% fertile; style 18–32 mm, stigma exserted beyond anthers at anthesis. <b>Capsules</b> ellipsoid or ovoid, sharply 4-angled, 4.5–7 × 1.5–2.5 mm; sessile. <b>Seeds</b> 2–4, yellowish to reddish brown, 1.2–3 × 0.7–1.3 mm. <b>2n</b> = 14.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul–Oct.
|habitat=Open meadows in sandy loam.
|elevation=70–200 m.
|distribution=Ark.
|discussion=<p>Oenothera demareei is known only from Clark, Garland, Hempstead, Howard, Montgomery, Pike, Saline, and Sevier counties.</p><!--
--><p>P. H. Raven and D. P. Gregory (1972[1973]) found Oenothera demareei to be self-incompatible.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Oenothera demareei
|authority=(P. H. Raven & D. P. Gregory) W. L. Wagner & Hoch
|rank=species
|parent rank=subsection
|synonyms=
|basionyms=Gaura demareei
|family=Onagraceae
|phenology=Flowering Jul–Oct.
|habitat=Open meadows in sandy loam.
|elevation=70–200 m.
|distribution=Ark.
|reference=None
|publication title=Syst. Bot. Monogr.
|publication year=2007
|special status=
|source xml=https://xjsachs2@bitbucket.org/aafc-mbb/fna-data-curation.git/src/e39f0e846f172941159b2045254d62d10d9823f6/coarse_grained_fna_xml/V10/V10_107.xml
|subfamily=Onagraceae subfam. Onagroideae
|tribe=Onagraceae tribe Onagreae
|genus=Oenothera
|section=Oenothera sect. Gaura
|subsection=Oenothera subsect. Gaura
|species=Oenothera demareei
}}<!--

-->[[Category:Treatment]][[Category:Oenothera subsect. Gaura]]