Boechera lyallii (S. Watson) Dorn (Q3791)

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Boechera lyallii is a taxon with the rank species within the genus Boechera
Language Label Description Also known as
English
Boechera lyallii (S. Watson) Dorn
Boechera lyallii is a taxon with the rank species within the genus Boechera

    Statements

    taxon/id/Boechera lyallii (S. Watson) Dorn
    0 references
    Boechera lyallii (S. Watson) Dorn
    Boechera lyallii
    (S. Watson) Dorn
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    arabette de Lyall (French)
    Lyall's rockcress (English)
    Murray's rockcress (English)
    jewelled suncress (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
    Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
    1 reference
    Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
    Flowering Jun–Aug.
    cliffs
    talus slopes
    gravelly soil
    alpine
    subalpine habitats
    Stems usually 1 per caudex branch, arising from center of rosette near ground surface, 0.3–1.5 (–2) dm, glabrous throughout.
    Basal leaves: blade linear-oblanceolate, 1–5 (–8) mm wide, margins entire, usually ciliate at least proximally, trichomes (simple and/or short-stalked, 2-rayed or 3-rayed), 0.1–0.3 mm, surfaces (sometimes the entire leaf) usually glabrous or (rarely, the youngest leaves of sterile shoots) pubescent, trichomes 4–6-rayed, 0.05–0.1 mm.
    Cauline leaves: 1–5, usually not concealing stem;
    blade auricles 0.5–1.5 mm or, rarely, absent, surfaces glabrous.
    Fruiting pedicels erect, straight, 3–8 (–15) mm, glabrous.
    Flowers erect at anthesis;
    petals lavender to purplish, 6–8.5 × 1.5–3 mm, glabrous;
    pollen ellipsoid or spheroid.
    Fruits erect, appressed to rachis, not secund, straight, edges parallel, 3–5.6 cm × 1.5–2.5 mm;
    ovules 34–64 per ovary;
    style 0.1–0.7 mm.
    Seeds biseriate or sub-biseriate, 1.5–2 × 1–1.5 mm;
    wing continuous, 0.3–0.5 mm wide.