Arabis eschscholtziana Andrzejowski in C. F. von Ledebour (Q3487)

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Arabis eschscholtziana is a taxon with the rank species within the genus Arabis
Language Label Description Also known as
English
Arabis eschscholtziana Andrzejowski in C. F. von Ledebour
Arabis eschscholtziana is a taxon with the rank species within the genus Arabis

    Statements

    taxon/id/Arabis eschscholtziana Andrzejowski
    0 references
    Arabis eschscholtziana Andrzejowski
    Arabis eschscholtziana
    Andrzejowski
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    Arabis eschscholtziana
    arabette d'Eschscholtz (French)
    Eschscholtz's rockcress (English)
    Eschscholtz's hairy rockcress (English)
    Pacific coast rockcress (English)
    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
    Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
    Flowering (Apr-)May–Jul.
    rocky slopes
    crevices
    ledges
    meadows
    moist banks
    grounds
    granitic soil
    wooded slopes
    usually densely hirsute (at least basally), trichomes simple or stalked, forked, sometimes glabrescent with mostly simple ones.
    Stems simple or several from base (rosette), erect, often branched distally, 2–7 (–10) dm, (hirsute basally, trichomes simple and minutely stalked, forked, rarely almost exclusively glabrous).
    Basal leaves: petiole 0.7–3 cm, (ciliate or not);
    blade broadly spatulate to narrowly oblanceolate, 1.2–10 cm × 7–30 mm, margins entire or dentate, apex obtuse or acute, surfaces usually pubescent, sometimes glabrous, trichomes simple, forked and stalked, stellate.
    Cauline leaves (2–) 4–12 (–18), (well-spaced or, rarely, overlapping);
    blade ovate to oblong or lanceolate, 1.5–6.5 (–10) cm × 5–30 mm, base auriculate, margins dentate or entire, apex acute or obtuse, surfaces sparsely hirsute or glabrous.
    Fruiting pedicels erect to erect-ascending, 3.5–10 (–15) mm, (glabrous or sparsely pubescent).
    Flowers: sepals oblong, 3.5–5 × 1.2–2 mm, lateral pair saccate basally;
    petals white, rarely pink, linear-oblanceolate or narrowly spatulate, (5.5–) 6.5–9 (–10) × 1.5–3 mm, apex obtuse;
    filaments 3.5–6 mm;
    anthers oblong, 0.7–1 mm.
    Fruits erect to erect-ascending, (often appressed to rachis), torulose, 3.5–6.5 cm × 1.2–1.8 (–2) mm;
    valves each with prominent midvein extending full length or to middle;
    ovules 54–80 per ovary;
    style (0.1–) 0.3–1 mm.
    Seeds usually narrowly winged throughout or only distally, rarely not winged, oblong or suborbicular, 1–1.8 × 0.9–1.3 mm;