Cardamine occidentalis (S. Watson) Howell (Q3583)

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Cardamine occidentalis is a taxon with the rank species within the genus Cardamine
Language Label Description Also known as
English
Cardamine occidentalis (S. Watson) Howell
Cardamine occidentalis is a taxon with the rank species within the genus Cardamine

    Statements

    taxon/id/Cardamine occidentalis (S. Watson) Howell
    0 references
    Cardamine occidentalis (S. Watson) Howell
    Cardamine occidentalis
    (S. Watson) Howell
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    Cardamine occidentalis
    cardamine occidentale (French)
    western bittercress (English)
    big western bittercress (English)
    1 reference
    Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/
    Flowering Apr–Jul.
    muddy grounds
    lake margins
    shallow streams
    meadows
    Rhizomes (tuberiform, fragile), ovoid or globose at base of stem, 3–10 mm diam., (fleshy).
    Stems (simple from base), erect to ascending, (not flexuous), unbranched or branched distally, 1–5 dm, glabrous or pubescent proximally.
    Basal leaves not rosulate, pinnately compound, (3 or) 5 (or 7) -foliolate, 2–10 cm, leaflets petiolulate or subsessile;
    petiole 0.5–6.5 cm;
    lateral leaflets petiolulate or subsessile, blade similar to terminal, ovate, smaller, margins entire;
    terminal leaflet (petiolule 0.03–0.18 cm), blade orbicular to broadly ovate or subcordate, 0.5–2 cm × 7–25 mm, base cordate to rounded, margins entire or repand, (surfaces glabrous).
    Cauline leaves 3–7, (3 or) 5 or 7-foliolate (middle ones 5 or 7-foliolate, smaller distally, becoming 3-foliolate), petiolate;
    petiole 0.5–3 cm, base not auriculate;
    lateral leaflets similar to terminal, smaller;
    terminal leaflet blade obovate to oblanceolate, 0.5–2.6 cm × 3–13 mm, margins shallowly toothed, entire, or repand.
    Fruiting pedicels divaricate-ascending, 7–18 mm.
    Flowers: sepals oblong, 1.7–2 × 1–1.2 mm, lateral pair not saccate basally;
    petals white, oblanceolate, 4–6 × 1.5–2 mm, (not clawed);
    filaments: median pairs 2–2.5 mm, lateral pair 1–1.5 mm;
    anthers ovate, 0.3–0.5 mm.
    (valves glabrous or sparsely pubescent);
    ovules 18–40 per ovary;
    style 0.5–1.5 mm.
    Seeds brown, ovoid, 1–1.6 × 1–1.2 mm. 2n = 64.