View source for Rorippa dubia

{{Treatment/ID
|accepted_name=Rorippa dubia
|accepted_authority=(Persoon) H. Hara
|publications={{Treatment/Publication
|title=J. Jap. Bot.
|place=30: 196. 1955
|year=1955
}}
|basionyms={{Treatment/ID/Synonym
|name=Sisymbrium dubium
|authority=Persoon
}}
|synonyms={{Treatment/ID/Synonym
|name=Nasturtium heterophyllum
|authority=Blume
}}{{Treatment/ID/Synonym
|name=Rorippa heterophylla
|authority=(Blume) R. O. Williams
}}{{Treatment/ID/Synonym
|name=Rorippa indica var. apetala
|authority=(de Candolle) Hochreutiner
}}
|hierarchy=Brassicaceae;Brassicaceae tribe Cardamineae;Rorippa;Rorippa dubia
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Brassicaceae]]</div><div class="higher-taxon"><small>tribe</small>[[Brassicaceae tribe Cardamineae]]</div><div class="higher-taxon"><small>genus</small>[[Rorippa]]</div><div class="higher-taxon"><small>species</small>[[Rorippa dubia]]</div></div>
|volume=Volume 7
|mention_page=page 495, 496
|treatment_page=page 500
}}<!--

--><span class="statement" id="st-undefined" data-properties="">Annuals; usually glabrous, rarely sparsely pubescent. <b>Stems</b> (simple or branched from base), erect or ascending, branched proximally and distally, (0.4–)1.5–3.3(–4.5) dm, (glabrous or sparsely pubescent proximally). <b>Basal</b> leaves not rosulate; blade margins pinnatifid. <b>Cauline</b> leaves petiolate (to 4 cm) or (distal) sessile; blade lyrate-pinnatipartite or undivided, obovate, oblong, or lanceolate, (2–)3–11(–15) cm × (5–)10–30(–50) mm, (lateral lobes smaller than terminal), base auriculate or not, margins entire, irregularly crenate, or serrate (entire or serrulate distally). <b>Racemes</b> elongated. <b>Fruiting</b> pedicels divaricate, straight, (2–)3–8(–10) mm. <b>Flowers</b>: sepals erect, oblong-linear, (2–)2.5–3 × 0.5–0.7 mm; petals (usually absent), yellow, linear or narrowly oblanceolate, 1–1.5 × 0.2–0.7 mm, (shorter than sepals); median filaments 1.5–2.8 mm; anthers oblong, 0.5–0.8 mm. <b>Fruits</b> siliques, straight, linear, (15–)25–40 × 0.7–0.9(–1) mm; ovules 70–90 per ovary; style 0.2–1(–1.5) mm, (stout, as thick as fruit). <b>Seeds</b> uniseriate, reddish brown, ovate-orbicular, 0.5–0.8 mm (0.4–0.6 mm diam.), foveolate. <b>2n</b> = 32, 48.</span><!--

-->{{Treatment/Body
|phenology=Flowering often year-round.
|habitat=Waste areas, slopes, roadsides, wet grounds, grassy places, field margins
|elevation=0-500[-3700] m
|distribution=La.;Miss.;Oreg.;se Asia;introduced also in Central America;South America.
|discussion=<p>Rorippa dubia was treated by R. L. Stuckey (1972) as R. heterophylla and by R. C. Rollins (1993) as R. indica var. apetala. Both authors overlooked H. Hara’s (1955b) comprehensive account of its typification and that of R. indica.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Rorippa dubia
|author=
|authority=(Persoon) H. Hara
|rank=species
|parent rank=genus
|synonyms=Nasturtium heterophyllum;Rorippa heterophylla;Rorippa indica var. apetala
|basionyms=Sisymbrium dubium
|family=Brassicaceae
|phenology=Flowering often year-round.
|habitat=Waste areas, slopes, roadsides, wet grounds, grassy places, field margins
|elevation=0-500[-3700] m
|distribution=La.;Miss.;Oreg.;se Asia;introduced also in Central America;South America.
|introduced=true
|reference=None
|publication title=J. Jap. Bot.
|publication year=1955
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V7/V7_778.xml
|tribe=Brassicaceae tribe Cardamineae
|genus=Rorippa
|species=Rorippa dubia
}}<!--

-->[[Category:Treatment]][[Category:Rorippa]]