Erysimum arenicola S. Watson (Q3820)

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Erysimum arenicola is a taxon with the rank species within the genus Erysimum
Language Label Description Also known as
English
Erysimum arenicola S. Watson
Erysimum arenicola is a taxon with the rank species within the genus Erysimum

    Statements

    taxon/id/Erysimum arenicola S. Watson
    0 references
    Erysimum arenicola S. Watson
    Erysimum arenicola
    S. Watson
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    vélar des sables (French)
    sand-dwelling wallflower (English)
    Cascade wallflower (English)
    1 reference
    Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
    Flowering Jun–Aug.
    rock crevices
    talus slopes
    alpine areas
    open ridges
    gravelly ground
    Stems erect, unbranched or branched (several) basally, 0.4–3 dm.
    Basal leaves: blade usually oblanceolate, rarely spatulate, 2–8 cm × 3–10 mm, base attenuate, margins entire or dentate, apex acute or obtuse.
    Cauline leaves (distal) sessile;
    blade margins entire or dentate-sinuate.
    Fruiting pedicels divaricate-ascending, slender, narrower than fruit, 5–8 mm.
    Flowers: sepals oblong to linear-oblong, 7–10 mm, lateral pair saccate basally;
    petals yellow, obovate, 14–27 × 3.5–6 mm, claw 9–13 mm, apex rounded;
    median filaments 9–12 mm;
    anthers linear, 2–3.5 mm.
    Fruits erect to ascending, narrowly linear, often straight, sometimes twisted, strongly torulose, 3–10 (–12) cm × 1.5–2.7 mm, latiseptate, not striped;
    valves with somewhat prominent midvein, pubescent outside, trichomes 2–4-rayed, glabrous inside;
    ovules 24–42 per ovary;
    style cylindrical, slender, 1.5–5 mm, sparsely pubescent;
    stigma slightly 2-lobed, lobes as long as wide.