Nasturtium spp.
Family: Brassicaceae
Nasturtium image
Max Licher  
Perennials; (aquatic, rhizomatous, rooting at proximal nodes); not scapose; often glabrous, sometimes pubescent. Stems prostrate or decumbent, or erect in emergent plants, unbranched. Leaves cauline; not rosulate; petiolate; 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. Racemes (corymbose, several-flowered), elongated in fruit. Fruiting pedicels divaricate or descending, slender, (glabrous or adaxially puberulent). Flowers: sepals erect or ascending, oblong [ovate], lateral pair subsaccate or not saccate basally, (glabrous); 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); stamens tetradynamous; filaments (white), not dilated basally; anthers oblong, (apex obtuse); nectar glands (2), lateral, annular or semiannular. Fruits siliques, sessile, usually linear, rarely narrowly oblong, smooth or slightly torulose, straight or slightly curved, terete; valves each obscurely veined, glabrous; replum rounded; septum complete; ovules 25-50 per ovary; style obsolete or distinct; stigma capitate. Seeds plump, not winged, oblong or ovoid; seed coat (minutely to coarsely reticulate), not mucilaginous when wetted; cotyledons accumbent. x = 8.
Image of Lepidium cartilagineum
Map not
Available
Image of Nasturtium armoracia
Map not
Available
Images
not available
Map not
Available
Image of Nasturtium calycinum
Map not
Available
Images
not available
Map not
Available
Image of Nasturtium floridanum
Map not
Available
Images
not available
Map not
Available
Images
not available
Map not
Available
Images
not available
Map not
Available
Images
not available
Map not
Available
Images
not available
Map not
Available
Image of Nasturtium sessiliflorum
Map not
Available
Images
not available
Map not
Available
Image of Nasturtium x sterile
Map not
Available