Descurainia longepedicellata (E. Fournier) O. E. Schulz in H. G. A. Engler (Q3694)

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Descurainia longepedicellata is a taxon with the rank species within the genus Descurainia
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English
Descurainia longepedicellata (E. Fournier) O. E. Schulz in H. G. A. Engler
Descurainia longepedicellata is a taxon with the rank species within the genus Descurainia

    Statements

    taxon/id/Descurainia longepedicellata (E. Fournier) O.E. Schulz
    0 references
    Descurainia longepedicellata (E. Fournier) O.E. Schulz
    Descurainia longepedicellata
    (E. Fournier) O.E. Schulz
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    Descurainia longepedicellata
    (E. Fournier) O.E. Schulz
    moutarde-tanaisie à longs pédicelles (French)
    pedicellate tansy mustard (English)
    erect-fruit mountain tansy mustard (English)
    Flowering Apr–Jul.
    sandy plains
    dry washes
    open hillsides
    sagebrush
    juniper
    pine communities
    moderately to sparsely pubescent, often glabrous distally, not canescent, trichomes dendritic.
    Stems erect, unbranched or branched proximally, often branched distally, (1.5–) 3–6.2 (–8.5) dm.
    Basal leaves: petiole 0.4–3.5 cm;
    blade pinnate, ovate to oblanceolate in outline, 1.5–7 cm, lateral lobes linear or oblong, margins entire or dentate to incised.
    Cauline leaves sessile or shortly petiolate;
    blade smaller distally, lobes linear to filiform, margins entire, surfaces usually glabrous, rarely pubescent.
    Fruiting pedicels horizontal to divaricate, straight, (8–) 10–15 (–20) mm.
    Flowers: sepals ascending, yellow, oblong, 1.5–2 mm, glabrous;
    petals narrowly oblanceolate, 1.7–2.6 cm × 0.5–1 mm;
    median filaments 1.5–2 mm;
    anthers 0.3–0.4 mm.
    Fruits erect, linear, not torulose, (9–) 12–17 × 0.8–1.1 mm, (straight or slightly curved inward);
    valves each with obscure midvein;
    ovules 18–32 per ovary;
    style 0.1–0.2 mm, glabrous.
    Seeds uniseriate, reddish-brown, oblong, 1–1.3 × 0.6–0.7 mm. 2n = 14.