Alyssum Linnaeus (Q3455)

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Alyssum is a taxon with the rank genus within the tribe Alysseae
Language Label Description Also known as
English
Alyssum Linnaeus
Alyssum is a taxon with the rank genus within the tribe Alysseae

    Statements

    taxon/id/Alyssum Linnaeus
    0 references
    Alyssum Linnaeus
    Alyssum
    Linnaeus
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    Madwort (English)
    North America
    se Europe
    n Africa
    trichomes sessile, stellate, with 2–6 minute basal branches (branches as many as 3–25), rays branched or not, sometimes trichomes simple [lepidote].
    Stems erect, ascending, or decumbent, unbranched or branched.
    petiolate or sessile;
    basal rosulate or not, petiolate or sessile, blade margins entire;
    cauline petiolate or sessile, blade (base cuneate or attenuate), margins entire.
    Fruiting pedicels ascending, divaricate, or reflexed, slender or stout.
    Flowers: sepals ovate or oblong, lateral pair not saccate;
    petals yellow or white [rarely pink], suborbicular, spatulate, oblanceolate, linear-oblanceolate, or, obovate (apex obtuse or emarginate);
    stamens tetradynamous;
    filaments not winged, uni or bilaterally winged, appendaged, or toothed;
    anthers ovate or oblong;
    nectar glands (4), 1 on each side of lateral stamen, median glands absent;
    Fruits sessile, ovate-oblong, obovate, or elliptic [obcordate, rarely globose], usually strongly flattened, latiseptate, rarely inflated;
    valves each not veined (smooth), pubescent or glabrous;
    replum (visible), rounded;
    ovules 1 or 2 [or 4–8] per ovary;
    Seeds biseriate or aseriate, flattened, winged or not, orbicular or suborbicular to ovoid;
    seed-coat (smooth or minutely reticulate), mucilaginous or not when wetted;
    cotyledons accumbent or incumbent.