Draba juvenilis Komarov (Q3514)

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

    Statements

    taxon/id/Draba juvenilis Komarov
    0 references
    Draba juvenilis Komarov
    Draba juvenilis
    Komarov
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    drave à longs pédicelles (French)
    long-stalked draba (English)
    long-stalked 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
    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
    Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
    e Asia (Russian Far East)
    e Asia (n Siberia)
    Flowering Jun–Jul.
    rock outcrops
    gravelly beaches
    stream banks
    meadows
    tundra
    Stems unbranched, (0.3–) 0.8–2.3 (–3) dm, pubescent proximally, glabrous or sparsely pubescent distally, trichomes simple and 2–4-rayed, 0.07–0.4 mm.
    petiole base ciliate, margin not ciliate, (midvein obscure, trichomes simple and 2-rayed, 0.2–0.7 mm);
    blade oblanceolate to lanceolate, (0.3–) 0.6–2.5 (–3.5) cm × (1–) 2–7 (–10) mm, margins entire or denticulate, surfaces pubescent, abaxially with stalked, cruciform trichomes, 0.2–0.5 mm, adaxially with cruciform and/or simple and 2-rayed ones.
    blade elliptic to ovate or lanceolate, margins usually entire, rarely denticulate, surfaces pubescent as basal adaxially or trichomes predominantly simple.
    Racemes (2–) 4–13 (–18) -flowered, ebracteate, elongated in fruit;
    Fruiting pedicels divaricate-ascending or ascending, straight or often curved upward (not expanded basally), (3–) 5–17 (–22) mm, usually glabrous, rarely pubescent, trichomes simple and stalked, 2–4-rayed.
    Flowers: sepals ovate, 2.2–3 mm, glabrous or pubescent subapically, (trichomes simple and short-stalked, 2-rayed);
    petals pale-yellow to creamy white, spatulate, 3–5 × 1.5–2.5 mm;
    anthers ovate, 0.4–0.5 mm.
    Fruits elliptic to oblong or linear-lanceolate, plane (not curved), flattened, 5–11 (14) × 2–3 mm;
    valves usually glabrous, rarely margin pubescent, trichomes simple;
    ovules 16–30 per ovary;
    style 0.2–0.7 mm.