Smelowskia americana Rydberg (Q3766)

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Smelowskia americana is a taxon with the rank species within the genus Smelowskia
Language Label Description Also known as
English
Smelowskia americana Rydberg
Smelowskia americana is a taxon with the rank species within the genus Smelowskia

    Statements

    taxon/id/Smelowskia americana Rydberg
    0 references
    Smelowskia americana Rydberg
    Smelowskia americana
    Rydberg
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    smélowskie d'Amérique (French)
    American smelowskia (English)
    alpine smelowskia (English)
    American false candytuft (English)
    1 reference
    Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 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 Jun–Aug.
    scree slopes
    rock crevices
    tundra
    alpine meadows
    Plants sometimes canescent basally;
    Stems: several from base, often unbranched, (0.4–) 0.6–2 (–2.7) dm, trichomes simple, 0.5–1.3 mm, mixed with smaller, dendritic ones.
    Basal leaves: petiole 1–5 (–8) cm, ciliate, trichomes simple;
    blade oblanceolate to obovate, or ovate to oblong in outline, (terminal segments linear, oblong, or ovate), (0.5–) 1–3.5 (–5.2) cm × 4–17 mm, (terminal segments 0.2–1.4 cm × 0.5–4 mm), margins 1-pinnatifid or 2-pinnatifid or pinnatisect, apex obtuse or subacute.
    Cauline leaves shortly petiolate or sessile;
    blade similar to basal, smaller distally.
    Fruiting pedicels suberect to ascending, (subappressed to rachis, often forming less than 40˚ angle), proximalmost bracteate, 4–10 (–14) mm, pubescent, trichomes simple (to 1.5 mm), mixed with smaller, dendritic ones.
    Flowers: sepals 2–3.5 mm;
    petals usually white, rarely pinkish or lavender, suborbicular to obovate, 3.5–6.5 × 1.5–3.5mm, narrowed to claw, 1.5–3 mm, apex rounded;
    anthers oblong, 0.5–0.7 mm.
    Fruits usually suberect, rarely ascending, ellipsoid or oblong to linear, 4-angled, 5–13 × 1.5–2 mm, base and apex cuneate;
    valves each with prominent midvein;
    ovules 8–12 (–14) per ovary;
    style 0.2–0.8 mm.
    Seeds 1.1–1.9 × 0.6–0.9 mm. 2n = 12, 22.