Nasturtium W. T. Aiton in W. Aiton and W. T. Aiton (Q3616)
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Nasturtium is a taxon with the rank genus within the tribe Cardamineae
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English |
Nasturtium W. T. Aiton in W. Aiton and W. T. Aiton
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Nasturtium is a taxon with the rank genus within the tribe Cardamineae
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Statements
taxon/id/Nasturtium W.T. Aiton
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Nasturtium W.T. Aiton
Nasturtium
W.T. Aiton
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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Stems prostrate or decumbent, or erect in emergent plants, unbranched.
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petiole base sometimes auriculate, blade (pinnately compound in emerged plants, or simple in deeply submerged plants, lateral leaflets petiolulate or sessile, 1–6 (–12) pairs), margins entire, repand, or, rarely, dentate.
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Fruiting pedicels divaricate or descending, slender, (glabrous or adaxially puberulent).
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Flowers: sepals erect or ascending, oblong [ovate], lateral pair subsaccate or not saccate basally, (glabrous);
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petals usually white, rarely pink, obovate or narrowly spatulate, (longer than sepals), claw undifferentiated from blade, (attenuate to clawlike base, apex obtuse, acute, or rounded);
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stamens tetradynamous;
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filaments (white), not dilated basally;
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anthers oblong, (apex obtuse);
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nectar glands (2), lateral, annular or semiannular.
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Fruits siliques, sessile, usually linear, rarely narrowly oblong, smooth or slightly torulose, straight or slightly curved, terete;
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valves each obscurely veined, glabrous;
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ovules 25–50 per ovary;
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style obsolete or distinct;
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Seeds plump, not winged, oblong or ovoid;
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seed-coat (minutely to coarsely reticulate), not mucilaginous when wetted;
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