Arabis Linnaeus (Q3484)

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

    Statements

    taxon/id/Arabis Linnaeus
    0 references
    Arabis Linnaeus
    Arabis
    Linnaeus
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    Rockcress (English)
    often pubescent or hirsute, sometimes glabrous or glabrate, trichomes stalked, stellate, sometimes mixed with fewer, simple or forked ones.
    Stems erect, ascending, or decumbent, unbranched or branched distally.
    petiolate or sessile;
    basal rosulate, petiolate or sessile, blade margins usually entire or dentate to denticulate, rarely lyrate-pinnatifid;
    cauline usually sessile, rarely shortly petiolate, blade (base often auriculate, sagittate, or amplexicaul), margins entire or dentate.
    Fruiting pedicels erect, ascending, or divaricate, (not reflexed or secund), slender.
    Flowers: sepals erect or ascending, ovate or oblong, lateral pair saccate or not basally, (margins membranous);
    petals white, pink, or purple, usually spatulate, oblong, or oblanceolate, rarely obovate, claw differentiated from blade, (shorter than sepals, apex obtuse or rounded);
    stamens tetradynamous;
    filaments usually not dilated basally;
    anthers ovate, oblong, or linear, (apex obtuse);
    nectar glands confluent, subtending bases of stamens, lateral glands semiannular or annular, median glands rarely absent, (sometimes toothlike and distinct).
    Fruits siliques, usually sessile, rarely shortly stipitate, linear, smooth or torulose, (usually straight, sometimes slightly curved), flattened, latiseptate;
    valves (papery), each with obscure or prominent midvein, glabrous;
    replum (visible), rounded;
    ovules 10–86 [–110] per ovary;
    style obsolete or distinct;
    stigma capitate, (sometimes slightly 2-lobed).
    Seeds uniseriate, flattened, winged or margined, oblong or orbicular;
    seed-coat (smooth or minutely reticulate), not mucilaginous when wetted;