Draba incerta Payson (Q3513)

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Draba incerta is a taxon with the rank species within the genus Draba
Language Label Description Also known as
English
Draba incerta Payson
Draba incerta is a taxon with the rank species within the genus Draba

    Statements

    taxon/id/Draba incerta Payson
    0 references
    Draba incerta Payson
    Draba incerta
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    drave incertaine (French)
    Yellowstone draba (English)
    Yellowstone whitlowgrass (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
    Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.
    1 reference
    Centre de données sur le patrimoine du Québec, 2010. Gouvernement du Québec. http://www.cdpnq.gouv.qc.ca (consulted 2011-01-25) http://www.cdpnq.gouv.qc.ca/
    1 reference
    Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
    Flowering Jun–Aug.
    rock outcrops
    gravelly areas
    tundra
    Stems unbranched, (0.2–) 0.4–1.4 (–2.1) dm, often pubescent throughout, sometimes glabrous distally, trichomes often simple and 2–5-rayed, 0.1–0.5 mm, (sometimes with mostly subpectinate ones).
    petiole (0–1 cm), ciliate throughout;
    blade narrowly oblanceolate to linear, (0.4–) 0.6–1.7 (–2.5) cm × (1–) 1.5–3.5 (–5) mm, margins entire, (ciliate, trichomes usually simple, rarely 2-rayed, 0.2–1.1 mm), surfaces usually pubescent with short-stalked, pectinate trichomes, 0.15–0.5 mm, sometimes also with 4–6-rayed ones, (midvein usually obscure abaxially), sometimes glabrous adaxially.
    blade linear to oblong, margins entire, surfaces pubescent as basal.
    Racemes 3–14 (–30) -flowered, usually ebracteate, rarely proximalmost flowers bracteate, elongated in fruit;
    Fruiting pedicels ascending, straight, (2.5–) 4–11 (–27) mm, glabrous or pubescent, trichomes 2–5-rayed or pectinate.
    Flowers: sepals broadly ovate, 2.5–3.5 (–4) mm, pubescent, (trichomes simple and 2-rayed or 3-rayed);
    petals yellow (fading white), oblanceolate to obovate, 4–6 × 1.5–2.5 mm;
    anthers ovate, 0.3–0.5 mm.
    Fruits broadly ovate to lanceolate, plane, flattened, 5–9 (–11) × 2–4 mm;
    valves glabrous or puberulent, trichomes simple and 2-rayed, 0.05–0.3 mm;
    ovules 8–16 (–20) per ovary;
    style 0.2–0.9 mm.
    Seeds oblong, 1.1–1.5 × 0.7–1 mm. 2n = 112.