Rorippa amphibia (Linnaeus) Besser (Q3599)

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Rorippa amphibia is a taxon with the rank species within the genus Rorippa
Language Label Description Also known as
English
Rorippa amphibia (Linnaeus) Besser
Rorippa amphibia is a taxon with the rank species within the genus Rorippa

    Statements

    taxon/id/Rorippa amphibia (Linnaeus) Besser
    0 references
    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
    rorippe amphibie (French)
    rorippa amphibie (French)
    cresson amphibie (French)
    roripe amphibie (French)
    amphibious yellowcress (English)
    great yellowcress (English)
    amphibious watercress (English)
    1 reference
    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.
    Europe
    Flowering Jun–Aug.
    glabrous or pubescent proximally on young leaves.
    Stems prostrate basally (hollow), branched, (2–) 4–12 (–13) dm.
    Basal leaves not rosulate;
    blade margins pinnatifid.
    Cauline leaves (proximal) petiolate, (distal) sessile;
    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).
    Fruiting pedicels horizontal to reflexed, straight or recurved, (5–) 7–15 (–18) mm.
    Flowers: sepals erect, oblong, 2.5–3.5 × 1–1.7 mm;
    petals yellow, obovate, (3.3–) 3.8–5.5 (–6.2) × 1.5–2.5 mm;
    median filaments 3–4 mm;
    anthers ovate, 0.7–1 mm.
    Fruits silicles, straight, ovoid-oblong, (2.5–) 3–5.5 (–7) × 1.7–2.7 (–3) mm;
    ovules 36–62 per ovary;
    style (0.5–) 1–2.2 (–2.5) mm.