View source for Dryopetalon

{{Treatment/ID
|accepted_name=Dryopetalon
|accepted_authority=A. Gray
|publications={{Treatment/Publication
|title=Smithsonian Contr. Knowl.
|place=5(6): 11, plate 11. 1853
|year=1853
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Rollinsia
|authority=Al-Shehbaz
|rank=genus
}}
|hierarchy=Brassicaceae;Brassicaceae tribe Thelypodieae;Dryopetalon
|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>[[Dryopetalon]]</div></div>
|etymology=Greek drys, oak, and petalon, leaf, alluding to resemblance of petal shape to leaves of some oaks
|volume=Volume 7
|mention_page=page 231, 232, 245, 246, 687, 693, 724
|treatment_page=page 688
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals </b>or biennials; not scapose; usually pubescent or hirsute, rarely glabrous. <b>Stems</b> erect or ascending, unbranched or branched basally or distally. <b>Leaves</b> basal and cauline; petiolate or sessile; basal rosulate or not, petiolate, blade margins entire, dentate to runcinate, or pinnatifid; cauline petiolate or [sub]sessile, blade (base not auriculate, or auriculate to amplexicaul), margins entire or dentate to pinnatifid. <b>Racemes</b> (corymbose, initially congested), considerably elongated in fruit. <b>Fruiting</b> pedicels ascending, divaricate, or horizontal, slender. <b>Flowers</b>: sepals erect to ascending, oblong [ovate], lateral pair slightly saccate or not basally, (glabrous or pubescent); petals white or purplish, spatulate or obovate (longer than sepals), claw gradually narrowed from blade to base, (margins sometimes pinnatifid, or deeply 2-lobed); stamens tetradynamous; filaments not dilated basally, (glabrous or papillate basally); anthers oblong; nectar glands: lateral annular, median glands confluent with lateral. <b>Fruits</b> sessile or shortly stipitate, usually linear, rarely linear-oblong, torulose or smooth, terete or flattened (latiseptate); valves each with a distinct midvein, glabrous; replum rounded; septum complete, not veined; ovules 10–110 per ovary; style distinct; stigma capitate, usually entire, rarely slightly 2-lobed. <b>Seeds</b> uniseriate, plump, usually not winged, rarely narrowly so, ovate [oblong]; seed coat not mucilaginous when wetted; cotyledons accumbent [incumbent]. <b>x</b> = [10] 12, 14.</span><!--

-->{{Treatment/Body
|distribution=sw United States;n Mexico.
|discussion=<p>Species 8 (2 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=al-shehbaz2007a
|text=Al-Shehbaz, I. A. 2007. Generic limits of Dryopetalon, Rollinsia, Sibara, and Thelypodiopsis (Brassicaceae) and a synopsis of Dryopetalon. Novon 17: 397–402.
}}{{Treatment/Reference
|id=rollins1941a
|text=Rollins, R. C. 1941c. The cruciferous genus Dryopetalon. Contr. Dudley Herb. 3: 199–207.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Cauline leaves shortly petiolate or sessile, blade bases not auriculate; fruits 0.5-1.2 mm wide; ovules 60-110 per ovary; seeds not winged; petal margins pinnatifid.
|[[Dryopetalon runcinatum|Dryopetalon runcinatum]]
|-id=key-0-1
|1
|Cauline leaves sessile, blade bases auriculate; fruits 2-3 mm wide; ovules 10-28 per ovary; seeds winged (narrowly); petal margins usually entire, sometimes repand.
|[[Dryopetalon viereckii|Dryopetalon viereckii]]
|}
</div></div><!--

-->{{#Taxon:
name=Dryopetalon
|author=Ihsan A. Al-Shehbaz
|authority=A. Gray
|rank=genus
|parent rank=tribe
|synonyms=Rollinsia
|basionyms=
|family=Brassicaceae
|distribution=sw United States;n Mexico.
|reference=al-shehbaz2007a;rollins1941a
|publication title=Smithsonian Contr. Knowl.
|publication year=1853
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_1183.xml
|tribe=Brassicaceae tribe Thelypodieae
|genus=Dryopetalon
}}<!--

-->[[Category:Treatment]][[Category:Brassicaceae tribe Thelypodieae]]