Boechera sparsiflora (Nuttall) Dorn (Q3793)

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Boechera sparsiflora is a taxon with the rank species within the genus Boechera
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English
Boechera sparsiflora (Nuttall) Dorn
Boechera sparsiflora is a taxon with the rank species within the genus Boechera

    Statements

    taxon/id/Boechera sparsiflora (Nuttall) Dorn
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    Boechera sparsiflora (Nuttall) Dorn
    Boechera sparsiflora
    (Nuttall) Dorn
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    arabette à fleurs clairsemées (French)
    elegant rockcress (English)
    sicklepod rockcress (English)
    stretching suncress (English)
    Flowering Apr–Jun.
    rocky slopes
    clay hills
    sandy soil
    sagebrush
    mountain shrub communities
    meadows
    open conifer forests
    caudex present or absent.
    Stems usually 1 per caudex branch, arising from center of rosette near ground surface, 3–8 dm, densely pubescent proximally, trichomes simple mixed with fewer short-stalked, 2-rayed ones, 0.4–1.5 mm, glabrous or sparsely pubescent distally.
    Basal leaves: blade oblanceolate or linear-oblanceolate, 3–12 mm wide, margins usually entire, rarely dentate, ciliate proximally, trichomes (usually simple), to 1 mm, surfaces densely pubescent, trichomes short-stalked, 2–5-rayed, 0.3–0.8 mm.
    Cauline leaves: (9–) 15–35, often concealing stem proximally;
    blade auricles 3–10 mm, surfaces of distalmost leaves glabrous, sometimes margins ciliate.
    Fruiting pedicels usually ascending, rarely almost horizontal, straight or slightly recurved, 3–10 (–18) mm, usually pubescent, rarely glabrous, trichomes spreading, usually simple.
    Flowers ascending at anthesis;
    sepals sparsely pubescent;
    petals usually lavender to purple, rarely white, 7–13 × 2–5 mm, glabrous;
    pollen ellipsoid.
    Fruits usually ascending, rarely almost horizontal, not appressed to rachis, not secund, usually curved, edges parallel, 5–13 cm × 1.7–2 mm;
    ovules 90–170 per ovary;
    style 0.05–0.3 mm.
    Seeds uniseriate, 1.5–2 × 1–1.5 mm;