Draba murrayi G. A. Mulligan (Q3518)

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Draba murrayi is a taxon with the rank species within the genus Draba
Language Label Description Also known as
English
Draba murrayi G. A. Mulligan
Draba murrayi is a taxon with the rank species within the genus Draba

    Statements

    taxon/id/Draba murrayi G.A. Mulligan
    0 references
    Draba murrayi G.A. Mulligan
    Draba murrayi
    G.A. Mulligan
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    drave de Murray (French)
    Murray's draba (English)
    Murray's whitlowgrass (English)
    Kathul Mountain draba (English)
    Flowering Jun–Jul.
    rock outcrops
    open forests
    dry slopes
    alluvial gravels
    Stems unbranched, (0.4–) 0.9–2.7 (–3.5) dm, pubescent proximally, glabrous distally, trichomes simple, 0.2–1 mm, and often smaller, fewer short-stalked, 2–4-rayed ones.
    petiole (0–0.7 cm), margin ciliate;
    blade oblanceolate to obovate, (0.3–) 0.6–2.1 (–2.8) cm × (1.5–) 2.5–5 (–9) mm, margins entire or sparsely denticulate, (ciliate, trichomes simple, 0.2–1.1 mm), surfaces pubescent with stalked, cruciform, and 2-rayed or 3-rayed trichomes, (rays sometimes spurred), 0.1–0.6 mm, sometimes mostly simple trichomes adaxially.
    blade ovate or oblong to lanceolate, margins usually entire, rarely sparsely denticulate, surfaces pubescent as basal.
    Racemes 7–25-flowered, ebracteate, elongated in fruit;
    Fruiting pedicels divaricate-ascending, usually straight, rarely curved, (4–) 7–18 mm, glabrous.
    Flowers: sepals ovate, 1.5–2.2 mm, pubescent, (trichomes simple and short-stalked, 2-rayed);
    petals white, obovate, 4–6 × 1.5–2.5 mm;
    anthers ovate, 0.4–0.5 mm.
    Fruits linear-lanceolate to narrowly elliptic, plane, flattened, 5–13 × 1.5–2 mm;
    ovules 20–30 per ovary;
    style 0.6–1.5 mm.
    Seeds oblong, 0.9–1.2 × ca. 0.5 mm. 2n = 48.