Boechera polyantha (Greene) Windham & Al-Shehbaz (Q3799)

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Boechera polyantha is a taxon with the rank species within the genus Boechera
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English
Boechera polyantha (Greene) Windham & Al-Shehbaz
Boechera polyantha is a taxon with the rank species within the genus Boechera

    Statements

    taxon/id/Boechera polyantha (Greene) Windham & Al-Shehbaz
    0 references
    Boechera polyantha (Greene) Windham & Al-Shehbaz
    Boechera polyantha
    (Greene) Windham & Al-Shehbaz
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    (Greene) Windham & Al-Shehbaz
    arabette à fleurs nombreuses (French)
    many-flowered rockcress (English)
    Flowering late Apr-early Jun.
    sandy slopes
    open areas
    Stems usually 1 per caudex branch, arising from center of rosette near ground surface, 2.5–9 dm, densely pubescent proximally, trichomes short-stalked, 2–6-rayed, 0.1–0.7 mm, similarly pubescent distally.
    Basal leaves: blade oblanceolate, 1.5–7 mm wide, margins entire or shallowly dentate, ciliate at petiole base, trichomes to 0.9 mm, surfaces densely pubescent, trichomes short-stalked, 5–10-rayed, 0.1–0.25 mm.
    Cauline leaves: 16–42, concealing stem proximally;
    blade auricles 0.5–1.5 mm, surfaces of distalmost leaves pubescent.
    Fruiting pedicels reflexed, abruptly recurved at base, otherwise straight, 7–13 mm, pubescent, trichomes appressed, branched.
    Flowers descending at anthesis;
    sepals pubescent;
    petals white, 6–9 × 1–2.5 mm, sparsely pubescent abaxially;
    pollen ellipsoid.
    Fruits strongly reflexed, usually appressed to rachis, sometimes somewhat secund, straight, edges parallel, 3.5–7.2 cm × 1.2–1.5 mm;
    valves densely pubescent;
    ovules 74–110 per ovary;
    styles 0.05–0.2 mm.
    Seeds uniseriate, 0.9–1.2 × 0.7–1 mm;
    wing continuous, 0.05–0.1 mm wide.