Arabis Linnaeus (Q3484)
Arabis is a taxon with the rank genus within the tribe Arabideae
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Arabis Linnaeus
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Arabis is a taxon with the rank genus within the tribe Arabideae
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Statements
taxon/id/Arabis Linnaeus
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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
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often pubescent or hirsute, sometimes glabrous or glabrate, trichomes stalked, stellate, sometimes mixed with fewer, simple or forked ones.
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Stems erect, ascending, or decumbent, unbranched or branched distally.
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petiolate or sessile;
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basal rosulate, petiolate or sessile, blade margins usually entire or dentate to denticulate, rarely lyrate-pinnatifid;
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cauline usually sessile, rarely shortly petiolate, blade (base often auriculate, sagittate, or amplexicaul), margins entire or dentate.
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Fruiting pedicels erect, ascending, or divaricate, (not reflexed or secund), slender.
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Flowers: sepals erect or ascending, ovate or oblong, lateral pair saccate or not basally, (margins membranous);
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petals white, pink, or purple, usually spatulate, oblong, or oblanceolate, rarely obovate, claw differentiated from blade, (shorter than sepals, apex obtuse or rounded);
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stamens tetradynamous;
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filaments usually not dilated basally;
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anthers ovate, oblong, or linear, (apex obtuse);
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nectar glands confluent, subtending bases of stamens, lateral glands semiannular or annular, median glands rarely absent, (sometimes toothlike and distinct).
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Fruits siliques, usually sessile, rarely shortly stipitate, linear, smooth or torulose, (usually straight, sometimes slightly curved), flattened, latiseptate;
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valves (papery), each with obscure or prominent midvein, glabrous;
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replum (visible), rounded;
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ovules 10–86 [–110] per ovary;
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style obsolete or distinct;
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stigma capitate, (sometimes slightly 2-lobed).
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Seeds uniseriate, flattened, winged or margined, oblong or orbicular;
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seed-coat (smooth or minutely reticulate), not mucilaginous when wetted;
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