Difference between revisions of "Rorippa austriaca"
Enum. Pl., 103. 1821.
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| + | |code=W | ||
| + | |label=Weedy | ||
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| + | |code=I | ||
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|elevation=100-1900 m | |elevation=100-1900 m | ||
|distribution=Alta.;Man.;Sask.;Calif.;Conn.;Idaho;Ill.;Iowa;Nebr.;Nev.;N.J.;N.Mex.;N.Y.;N.Dak.;Pa.;Utah;Wash.;Wis.;Europe. | |distribution=Alta.;Man.;Sask.;Calif.;Conn.;Idaho;Ill.;Iowa;Nebr.;Nev.;N.J.;N.Mex.;N.Y.;N.Dak.;Pa.;Utah;Wash.;Wis.;Europe. | ||
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|publication title=Enum. Pl., | |publication title=Enum. Pl., | ||
|publication year=1821 | |publication year=1821 | ||
| − | |special status= | + | |special status=Weedy;Introduced |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_771.xml |
|tribe=Brassicaceae tribe Cardamineae | |tribe=Brassicaceae tribe Cardamineae | ||
|genus=Rorippa | |genus=Rorippa | ||
Latest revision as of 22:36, 5 November 2020
Perennials; (terrestrial or of wet habitat, not submerged, rhizomes thickened, short); usually glabrous, rarely pubescent proximally. Stems (simple from base), erect, much-branched distally, 4–11(–18) dm. Basal leaves not rosulate; blade margins pinnatifid. Cauline leaves sessile; blade lanceolate, (2.5–)4–12(–15) cm × 5–20(–25) mm, base auriculate to amplexicaul, margins entire or serrate. Racemes elongated. Fruiting pedicels divaricate-ascending to horizontal, straight, 4–15 mm. Flowers: sepals ascending, oblong, 2–3 × 1–1.3 mm; petals yellow, obovate, 3–5 × 1.7–2.5 mm; median filaments 2.3–3 mm; anthers ovate, 0.4–0.6 mm. Fruits silicles (rarely produced), straight, globose or subglobose, 2.5–3.2 × 1.5–2.7 mm; ovules 18–40 per ovary; style 1–1.5(–2) mm. Seeds biseriate, reddish brown, ovoid, 0.7–0.9 mm, finely colliculate. 2n = 16.
Phenology: Flowering May–Jul.
Habitat: Mud flats, floodplains, fields, roadsides, lakeshores, marshes, ditches, stream banks, wet grasslands, waste grounds
Elevation: 100-1900 m
Distribution
Introduced; Alta., Man., Sask., Calif., Conn., Idaho, Ill., Iowa, Nebr., Nev., N.J., N.Mex., N.Y., N.Dak., Pa., Utah, Wash., Wis., Europe.
Discussion
Selected References
None.