Draba albertina Greene (Q3497)

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

    Statements

    taxon/id/Draba albertina Greene
    0 references
    Draba albertina Greene
    Draba albertina
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    drave d'Alberta (French)
    slender draba (English)
    slender 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
    Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
    Flowering Jun–Aug.
    open woodlands
    pine forests
    meadows
    rocky knolls
    alpine slopes
    stream banks
    disturbed areas
    Stems branched distally, (0.3–) 0.5–3 (–4.2) dm, pubescent proximally, often glabrous distally, trichomes simple, 0.1–1 mm, sometimes with fewer, stalked, 2-rayed ones.
    shortly petiolate;
    petiole (0–0.5 cm), ciliate throughout;
    blade obovate to oblanceolate or linear-lanceolate, (0.3–) 1–2.8 (–3.5) cm × (1–) 2–6 (–9) mm, margins entire or denticulate, (ciliate, trichomes simple, 0.4–1 mm), surfaces usually pubescent, abaxially with stalked, 2–4-rayed trichomes, 0.05–0.4 (–0.5) mm, (rarely with simple trichomes along midvein), adaxially with simple trichomes sometimes also with 2-rayed ones, 0.07–0.4 mm, rarely glabrous.
    blade lanceolate to elliptic or ovate, margins entire or denticulate, surfaces pubescent as basal.
    Racemes (2–) 6–30 (–50) -flowered, ebracteate, elongated in fruit;
    Fruiting pedicels divaricate-ascending or horizontal, (not appressed to rachis), usually straight, rarely curved upward, (3–) 5–14 (–16) mm (subequaling or shorter than fruit), usually glabrous, rarely sparsely puberulent.
    sepals ovate, 1.4–2.1 mm, glabrous or sparsely pubescent, (trichomes simple);
    petals yellow, spatulate to oblanceolate, 2–3.2 × 0.7–1.2 mm;
    anthers ovate, 0.15–0.25 mm.
    Fruits lanceolate to narrowly elliptic or linear, plane, flattened, (4–) 6–12 (–15) × (1–) 1.4–2.1 mm;
    ovules (20–) 24–38 (–44) per ovary;
    style 0.01–0.12 mm.
    Seeds oblong, 0.7–1 × 0.4–0.5 mm. 2n = 24.