Draba scotteri G. A. Mulligan (Q3531)

From Canadian Flora Commons
Jump to navigation Jump to search
Draba scotteri is a taxon with the rank species within the genus Draba
Language Label Description Also known as
English
Draba scotteri G. A. Mulligan
Draba scotteri is a taxon with the rank species within the genus Draba

    Statements

    taxon/id/Draba scotteri G.A. Mulligan
    0 references
    Draba scotteri G.A. Mulligan
    Draba scotteri
    G.A. Mulligan
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    drave de Scotter (French)
    Scotter's draba (English)
    Scotter's whitlowgrass (English)
    1 reference
    Vascular Plant Herbarium (DAO), Agriculture and Agri-Food Canada, Ottawa, ON. http://res2.agr.ca/ecorc/dao/index_e.htm
    1 reference
    Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
    Flowering Jun–Jul.
    gravelly summits
    alpine communities
    Stems unbranched, 0.2–1.4 dm, pubescent throughout, trichomes 2–8-rayed, 0.07–0.4 mm, and, sometimes, simple ones, 0.2–0.8 mm.
    petiole base ciliate, (trichomes simple, 0.2–1 mm);
    blade oblanceolate, 0.4–1.5 cm × 1–3 mm, margins entire, (ciliate as petiole base), surfaces pubescent with short-stalked, stellate, 8–12-rayed trichomes, 0.1–0.4 mm.
    Racemes 1–9-flowered, usually ebracteate, rarely proximalmost flower subtended by a tiny bract, usually considerably elongated in fruit;
    Fruiting pedicels divaricate-ascending, straight, 3–8 (–12) mm, pubescent as stem.
    Flowers: sepals oblong, 2–3 mm, subapically pubescent, (trichomes simple);
    petals yellow, obovate to spatulate, 3.5–5.5 × 1.5–2.5 mm;
    anthers ovate, 0.4–0.5 mm.
    Fruits lanceolate to narrowly so, plane, flattened, 5–11 × 1.5–2.5 mm;
    valves pubescent, trichomes simple, 0.1–0.4 mm, occasionally with some 2-rayed ones;
    ovules 12–18 per ovary;
    style 0.3–1 mm.
    Seeds ovoid, 0.8–1.2 × 0.6–0.7 mm. 2n = 96.