Boechera microphylla (Nuttall) Dorn (Q3797)

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

    Statements

    taxon/id/Boechera microphylla (Nuttall) Dorn
    0 references
    Boechera microphylla (Nuttall) Dorn
    Boechera microphylla
    (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 petites feuilles (French)
    little-leaved rockcress (English)
    small-leaved rockcress (English)
    crevice suncress (English)
    Flowering Apr–Jun.
    cliffs
    rocky slopes
    sagebrush
    mountain shrub
    open conifer forests
    Stems 1 or several per caudex branch, arising from center or margin of rosette near ground surface, 0.8–2.8 (–3.5) dm, sparsely pubescent proximally, trichomes simple and subsessile, 2-rayed, 0.3–0.6 mm, glabrous distally.
    Basal leaves: blade oblanceolate to linear-oblanceolate, 1–4 (–6) mm wide, margins entire or subapically toothed, ciliate proximally, trichomes (simple), to 0.6 mm, surfaces densely pubescent, trichomes short-stalked, 4–8-rayed, 0.05–0.1 mm.
    Cauline leaves: 2–6, not concealing stem;
    blade auricles 0.5–1.5 mm, surfaces of distalmost leaves glabrous.
    Fruiting pedicels ascending to divaricate-ascending, straight, 4–14 mm, glabrous.
    Flowers ascending at anthesis;
    sepals glabrous or pubescent;
    petals lavender to purple, 3.5–5.5 × 1–1.8 mm, glabrous;
    pollen ellipsoid or spheroid.
    Fruits ascending to divaricate-ascending, not appressed to rachis, not secund, straight to slightly curved, edges parallel, 3–7 cm × 1–1.5 mm;
    ovules 52–72 per ovary;
    style 0.05–0.3 mm.
    Seeds uniseriate, 1–1.5 × 0.7–1 mm;
    wing often distal, ca. 0.1 mm wide.