Draba arabisans Michaux (Q3499)

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

    Statements

    taxon/id/Draba arabisans Michaux
    0 references
    Draba arabisans Michaux
    Draba arabisans
    Michaux
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    drave arabette (French)
    rock draba (English)
    rock whitlowgrass (English)
    rockcress whitlowgrass (English)
    1 reference
    Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.
    Newfoundland, CA
    1 reference
    Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm
    1 reference
    Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.
    1 reference
    Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
    1 reference
    Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
    Flowering Jun–Aug.
    rock outcrops
    open woods
    rocky shores
    Stems branched or unbranched, (0.5–) 0.7–3 (–4.5) dm, pubescent proximally, glabrous or pubescent distally, trichomes sessile (non-crisped), 4-rayed or 5-rayed, stellate, or subpectinate, 0.07–0.4 mm.
    petiole base and margin sparsely ciliate, (trichomes simple and 2-rayed, 0.2–0.8 mm);
    blade oblanceolate to spatulate or linear-oblanceolate, 1–3.8 (–5) cm × 2–5 (–8) mm, margins dentate or denticulate, surfaces pubescent with sessile, non-crisped, 4-rayed or 5-rayed, stellate trichomes, 0.07–0.5mm, (some rays branched, appearing 2–12-rayed, midvein obscure abaxially).
    blade ovate to oblong, margins dentate to subentire, surfaces pubescent as basal.
    Racemes 5–18 (–25) -flowered, ebracteate, elongated in fruit;
    Fruiting pedicels divaricate-ascending to suberect, straight or slightly curved, (3–) 4–10 (–13) mm, glabrous or pubescent as stem.
    Flowers: sepals oblong, 1.7–2.5 mm, pubescent, trichomes short-stalked, 3-rayed or 4-rayed;
    petals white, broadly obovate, 3.5–5 × 1.5–2.5 mm;
    anthers ovate, 0.4–0.5 mm.
    Fruits ovate to lanceolate or linear-lanceolate, usually slightly twisted, rarely plane, flattened, 5–11 (–14) × 2–3.5 mm;
    valves usually glabrous, rarely pubescent, trichomes 3-rayed or 4-rayed, 0.07–0.2 mm;
    ovules 20–28 (–32) per ovary;
    style (0.2–) 0.4–1 mm.
    Seeds oblong, 0.8–1.1 × 0.6–0.8 mm. 2n = 96.