Draba arctogena (E. Ekman) E. Ekman (Q3501)

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Draba arctogena is a taxon with the rank species within the genus Draba
Language Label Description Also known as
English
Draba arctogena (E. Ekman) E. Ekman
Draba arctogena is a taxon with the rank species within the genus Draba

    Statements

    taxon/id/Draba arctogena (E. Ekman) E. Ekman
    0 references
    Draba arctogena (E. Ekman) E. Ekman
    Draba arctogena
    (E. Ekman) E. Ekman
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    fellfield draba (English)
    fellfield whitlowgrass (English)
    drave des terrains dénudés (French)
    Greenland, GL
    1 reference
    Böcher, T.W., B. Fredskild, K. Holmen & K. Jakobsen. 1978. Grønlands Flora. P. Haase & Søns Forlag, København. 326 pp.
    1 reference
    Aiken, S.G., M.J. Dallwitz, L.L. Consaul, C.L., McJannet, R.L., Boles, G.W. Argus, J.M. Gillett, P.J. Scott, R. Elven, M.C. LeBlanc, L.J. Gillespie, A.K. Brysting, H. Solstad & J.G. Harris. 2007. Flora of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. [CD-ROM] NRC Research Press, National Research Council of Canada, Ottawa.
    1 reference
    Aiken, S.G., M.J. Dallwitz, L.L. Consaul, C.L., McJannet, R.L., Boles, G.W. Argus, J.M. Gillett, P.J. Scott, R. Elven, M.C. LeBlanc, L.J. Gillespie, A.K. Brysting, H. Solstad & J.G. Harris. 2007. Flora of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. [CD-ROM] NRC Research Press, National Research Council of Canada, Ottawa.
    Greenland
    Flowering Jun–Jul.
    sandy hills
    gravel flats
    sometimes scapose.
    Stems unbranched, 0.3–1.4 dm, pubescent throughout, trichomes simple, 0.2–1 mm, and 2–6-rayed, 0.05–0.3 mm.
    petiole base and margin ciliate, (trichomes mostly simple, 0.2–1 mm);
    blade oblanceolate to narrowly obovate, 0.4–1.7 cm × 1.5–6 mm, margins entire or with 1–3 teeth on each side, surfaces pubescent with primarily simple trichomes, 0.3–1mm, abaxially mixed with stalked, 4–10-rayed ones, 0.1–0.2 mm.
    blade ovate to oblong, margins entire or toothed, surfaces pubescent as basal.
    Racemes 2–14 (–17) -flowered, ebracteate, elongated in fruit;
    Fruiting pedicels suberect to ascending, straight, 1–5 (–7) mm, pubescent, trichomes simple and 2–4-rayed.
    Flowers: sepals ovate, 1.8–2.5 mm, pubescent, (trichomes simple and short-stalked, 2–4-rayed);
    petals white, spatulate, 3–4 × 1.5–2 mm;
    anthers ovate, 0.3–0.4 mm.
    Fruits oblong, plane, flattened, 4–9 × 2–3.5 mm;
    valves pubescent, trichomes short-stalked, 2–4-rayed, 0.1–0.5 mm, sometimes with simple ones;
    ovules 20–32 per ovary;
    style 0.1–0.4 mm (stigma distinctly wider than style).
    Seeds ovoid, 0.7–1 × 0.5–0.6 mm. 2n = 48.