Alyssum desertorum Stapf (Q4549)

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Alyssum desertorum is a synonym of Alyssum turkestanicum Regel & Schmalhausen
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English
Alyssum desertorum Stapf
Alyssum desertorum is a synonym of Alyssum turkestanicum Regel & Schmalhausen

    Statements

    taxon/id/Alyssum desertorum Stapf
    0 references
    taxon synonym
    Flowering Apr–Jul.
    deserts
    rocky areas
    disturbed sites
    roadsides
    fields
    meadows
    sagebrush flats
    Europe
    c Asia
    canescent throughout except fruit, trichomes appressed, 8–20-rayed.
    Stems simple or few to several from base, erect, ascending, or decumbent, (0.2–) 0.5–1.8 (–2.8) dm.
    Cauline leaves subsessile or (proximal) attenuate to petiolelike base (to 0.5 cm);
    blade linear to oblanceolate-linear, (0.3–) 0.5–2.5 (–3) cm × (0.5–) 1–3 (–4) mm (gradually smaller distally), base attenuate, apex acute.
    Fruiting pedicels ascending or subdivaricate, straight, stout, (1–) 1.5–3.5 (–4.5) mm, trichomes uniformly stellate.
    Flowers: sepals oblong, 1.4–1.8 (–2) × 0.4–0.5 mm, stellate-pubescent;
    petals pale-yellow, oblanceolate, 2–2.5 × 0.5–0.6 mm, base attenuate, apex obtuse or retuse, sparsely stellate-pubescent abaxially;
    filaments: median pairs not toothed, gradually expanded from apex to narrowly winged base, lateral pair with broadly winged appendage apically notched into 2 teeth, 1–1.8 (–2) mm;
    anthers ovate, 0.1–0.2 mm.
    Fruits orbicular, 2.5–4 (–4.5) mm diam., apex shallowly emarginate, usually glabrous;
    valves uniformly inflated at middle, broadly flattened at margins, often glaucous, rarely sparsely pubescent (when young);
    ovules 2 per ovary;
    style 0.3–0.7 mm, glabrous.