Rorippa amphibia (Linnaeus) Besser (Q3599)
Rorippa amphibia is a taxon with the rank species within the genus Rorippa
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Rorippa amphibia (Linnaeus) Besser
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Rorippa amphibia is a taxon with the rank species within the genus Rorippa
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Statements
taxon/id/Rorippa amphibia (Linnaeus) Besser
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Rorippa amphibia (Linnaeus) Besser
Rorippa amphibia
(Linnaeus) Besser
FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
accepted
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CA-QC
present
introduced
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Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
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glabrous or pubescent proximally on young leaves.
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Stems prostrate basally (hollow), branched, (2–) 4–12 (–13) dm.
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Basal leaves not rosulate;
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blade margins pinnatifid.
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Cauline leaves (proximal) petiolate, (distal) sessile;
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blade pectinate or pinnatisect to pinnatifid (especially when submerged), oblanceolate to elliptic, 4–12 cm × 5–30 mm, base auriculate or not, margins entire or denticulate to serrate (emergent ones usually undivided, rarely lobed).
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Fruiting pedicels horizontal to reflexed, straight or recurved, (5–) 7–15 (–18) mm.
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Flowers: sepals erect, oblong, 2.5–3.5 × 1–1.7 mm;
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petals yellow, obovate, (3.3–) 3.8–5.5 (–6.2) × 1.5–2.5 mm;
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median filaments 3–4 mm;
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anthers ovate, 0.7–1 mm.
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Fruits silicles, straight, ovoid-oblong, (2.5–) 3–5.5 (–7) × 1.7–2.7 (–3) mm;
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ovules 36–62 per ovary;
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style (0.5–) 1–2.2 (–2.5) mm.
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pinnatisect
pinnatifid oblanceolate
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pinnatisect
pinnatifid oblanceolate
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