Draba ventosa A. Gray (Q3536)

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Draba ventosa is a taxon with the rank species within the genus Draba
Language Label Description Also known as
English
Draba ventosa A. Gray
Draba ventosa is a taxon with the rank species within the genus Draba

    Statements

    taxon/id/Draba ventosa A. Gray
    0 references
    Draba ventosa A. Gray
    Draba ventosa
    A. Gray
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    drave des vents (French)
    drave ventrue (French)
    Wind River draba (English)
    Wind River whitlowgrass (English)
    windy whitlowgrass (English)
    1 reference
    Argus, G.W. & D.J. White. 1978. Rare Vascular Plants of Alberta. Syllogeus 17. 46 pp.
    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.
    1 reference
    Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
    Flowering Jul–Aug.
    talus slopes
    alpine tundra
    Stems unbranched, (0.1–) 0.2–0.4 (–0.6) dm, densely pubescent throughout, trichomes 2–6-rayed, 0.1–0.6 mm.
    petiole base and margin not ciliate;
    blade obovate to oblanceolate, (0.4–) 0.5–1 cm × 1.5–4.5 mm, margins entire, surfaces densely pubescent with stalked, 2–6-rayed trichomes, (0.1–) 0.2–0.9 mm.
    Cauline leaves 0.
    Racemes 5–10 (–16) -flowered, ebracteate, slightly elongated in fruit;
    Fruiting pedicels horizontal to divaricate-ascending, straight or slightly curved upward, 2–7 (–9) mm, densely pubescent, trichomes 2–6-rayed, (0.1–0.6 mm).
    Flowers: sepals broadly ovate, 2–2.5 mm, pubescent, (trichomes short-stalked, 2–6-rayed);
    petals yellow, obovate, 3.5–5.5 × 1.5–3 mm;
    anthers oblong, 0.5–0.6 mm.
    Fruits suborbicular to broadly ovate, plane, inflated basally, flattened distally, 4–7.5 (–9) × 3.5–5 mm;
    valves densely pubescent, trichomes short-stalked, 2–6-rayed, 0.15–0.5 mm;
    ovules 8–12 per ovary;
    style (0.5–) 0.7–1.4 mm.
    Seeds oblong, 1.4–1.9 × 0.9–1.2 mm. 2n = 36.