Rorippa Scopoli (Q3596)

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Rorippa is a taxon with the rank genus within the tribe Cardamineae
Language Label Description Also known as
English
Rorippa Scopoli
Rorippa is a taxon with the rank genus within the tribe Cardamineae

    Statements

    taxon/id/Rorippa Scopoli
    0 references
    Rorippa Scopoli
    Rorippa
    Scopoli
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    yellowcress (English)
    Yellow-cress (English)
    Nearly worldwide
    Stems erect or prostrate, unbranched or branched.
    petiolate or sessile;
    basal (usually withered early), rosulate or not, petiolate, blade margins entire, dentate, sinuate, lyrate, pectinate, or 1–3-pinnatisect;
    cauline petiolate or sessile, blade (base cuneate, attenuate, auriculate, or sagittate), margins entire, dentate, pinnatifid, or pinnatisect.
    Fruiting pedicels erect, suberect, ascending, horizontal, reflexed, or divaricate, usually slender.
    Flowers: sepals (rarely persistent), erect or spreading, ovate or oblong, lateral pair not or, rarely, saccate basally, (margins often membranous);
    petals (rarely vestigial or absent), often yellow, sometimes white or pink, usually obovate, spatulate, oblong, or oblanceolate, rarely linear, claw undifferentiated or not from blade, (often shorter than sepals, apex obtuse or emarginate);
    stamens usually tetradynamous, rarely 4 and equal;
    anthers usually ovate or oblong, rarely linear, (apex usually obtuse, rarely apiculate);
    nectar glands confluent, often subtending bases of stamens, median present.
    Fruits siliques or silicles, usually sessile, rarely shortly stipitate, linear, oblong, ovoid, ellipsoid, pyriform, subglobose, or globose, smooth or torulose, terete or slightly latiseptate;
    valves (3–6 in R. barbareifolia) papery or leathery, each obscurely veined, glabrous or pubescent;
    replum (visible), rounded;
    ovules [10–] 18–242 [–300] per ovary;
    style obsolete or distinct;
    stigma capitate, (rarely slightly 2-lobed).
    Seeds usually biseriate, rarely uniseriate, plump, not or, rarely, winged, oblong, ovoid, ovate, orbicular, cordiform, subglobose, or globose;
    seed-coat (reticulate, colliculate, rugose, tuberculate, or foveolate), mucilaginous or not when wetted;
    cotyledons accumbent.