Physaria alpestris Suksdorf (Q3744)

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Physaria alpestris is a taxon with the rank species within the genus Physaria
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English
Physaria alpestris Suksdorf
Physaria alpestris is a taxon with the rank species within the genus Physaria

    Statements

    taxon/id/Physaria alpestris Suksdorf
    0 references
    Physaria alpestris Suksdorf
    Physaria alpestris
    Suksdorf
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    lesquerelle alpine (French)
    Washington twinpod (English)
    alpine twinpod (English)
    Washington or alpine twinpod (English)
    Flowering May–Jun.
    alpine scree
    rocky ridges
    talus slopes
    volcanic
    serpentine gravel
    granitic slopes
    mountain shrub
    subalpine fir
    whitebark pine communities
    (700-)1300-2400 m
    (silvery) pubescent throughout, trichomes several-rayed, rays (1-bifurcate or) 2-bifurcate, (low-umbonate, tubercles relatively few, small).
    Stems several from base, decumbent to ascending, (unbranched), 0.5–1.5 dm.
    blade obovate, 3–5 cm (width 10–20 mm, base tapering abruptly to petiole), margins entire, (apex rarely slightly acute).
    Cauline leaves: blade oblanceolate, 0.5–1.5 cm (width 3–5 mm), margins entire.
    Fruiting pedicels (divaricate, straight), 5–10 mm.
    Flowers: sepals oblong, 8–10 mm;
    petals spatulate, 12–14 mm.
    Fruits didymous, mostly highly inflated (strongly flattened at least in 1/2 toward replum), 14–18 × 14–18 mm, (papery, basal sinus slightly notched, apical open, shallow);
    valves (retaining seeds after dehiscence), evenly pubescent;
    replum lanceolate, 7–10 mm, width 1.5–2.5 mm, as wide as or wider than fruit, apex acute to acuminate;
    ovules 8–10 per ovary;
    2n = 48–52, 52, 64, 67–70.