Cardamine oligosperma Nuttall in J. Torrey and A. Gray (Q3585)

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Cardamine oligosperma is a taxon with the rank species within the genus Cardamine
Language Label Description Also known as
English
Cardamine oligosperma Nuttall in J. Torrey and A. Gray
Cardamine oligosperma is a taxon with the rank species within the genus Cardamine

    Statements

    taxon/id/Cardamine oligosperma Nuttall
    0 references
    Cardamine oligosperma Nuttall
    Cardamine oligosperma
    Nuttall
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    Cardamine oligosperma
    cardamine oligosperme (French)
    little western bittercress (English)
    few-seed bittercress (English)
    Idaho 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/
    Mexico (Baja California)
    Flowering Mar–Jul.
    stream banks
    shady banks
    creek bottoms
    lakeshores
    meadows
    moist areas
    wooded slopes
    Stems (simple or few from base), erect to ascending, (not flexuous), unbranched or branched distally, (0.5–) 0.8–3.2 (–4.1) dm, usually pubescent throughout or proximally, rarely glabrous.
    Basal leaves (persistent to anthesis), rosulate, pinnately compound, 5–9 (–13) -foliolate, 2–8.5 (–11) cm, leaflets petiolulate or subsessile;
    lateral leaflets petiolulate or subsessile, blade obovate to oblanceolate, smaller than terminal, margins entire or crenate;
    terminal leaflet (petiolule 0.1–0.7 cm), blade usually orbicular to ovate, rarely oblong, 0.4–1.5 (–2.3) cm × 3–10 (–13) mm, base cordate to rounded, margins entire, or crenate-dentate to obscurely 3 or 5-lobed, (surfaces often hirsute, sometimes glabrous).
    Cauline leaves 3–8, pinnately compound, similar to basal, smaller and fewer distally, petiolate, leaflets petiolulate or subsessile;
    petiole 0.5–2 cm, base not auriculate.
    Fruiting pedicels divaricate-ascending, (2–) 3–9 (–12) mm.
    Flowers: sepals oblong, 1.3–1.8 (–2) × 0.5–1 mm, lateral pair not saccate basally;
    petals white, narrowly spatulate to oblanceolate, 2.5–3.5 × 0.9–1.5 mm (not clawed);
    filaments: median pairs 1.7–2.5 mm, lateral pair 1.2–2 mm;
    anthers ovate, 0.3–0.5 mm.
    (valves glabrous or sparsely pubescent);
    ovules 16–36 (–42) per ovary;
    style 0.4–1 (–1.5) mm.
    Seeds brown, oblong, 1–1.6 × 0.8–1.2 mm. 2n = 16.