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{{Taxobox
| color = lightgreen
| name = ''Tropaeolum majus''
| image = Nasturtium-Tropaeolum.jpg
| image_width = 240px
| image_caption = Flower and foliage
| regnum = [[Plantae]]
| divisio = [[Flowering plant|Magnoliophyta]]
| classis = [[Magnoliopsida]]
| ordo = [[Brassicales]]
| familia = [[Tropaeolaceae]]
| genus = ''[[Tropaeolum]]''
| species = '''''T. majus'''''
| binomial = ''Tropaeolum majus''
| binomial_authority = [[Carolus Linnaeus|L.]]
}}
'''''Tropaeolum majus''''' ('''Garden Nasturtium''' or '''Indian Cress''') is a [[flowering plant]] in the family [[Tropaeolaceae]], originating in [[South America]] in the [[Andes]] from [[Bolivia]] north to [[Colombia]]. It is of cultivated, probably [[hybrid]] origin, with possible parent species including ''[[Tropaeolum minus|T. minus]]'', ''[[Tropaeolum moritzianum|T. moritzianum]]'', ''[[Tropaeolum peltophorum|T. peltophorum]]'', and ''[[Tropaeolum peregrinum|T. peregrinum]]''.<ref name=grin>Germplasm Resources Information Network: [http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?40686 ''Tropaeolum majus'']</ref><ref name=rhs>Huxley, A., ed. (1992). ''New RHS Dictionary of Gardening''. Macmillan ISBN 0-333-47494-5.</ref>
[[Image:Kapuziner-Kresse 7148.jpg|left|thumb|Flower showing nectar spur]]
It is a [[herbaceous]] [[annual plant]] with trailing stems growing to 1 m long or more. The [[leaf|leaves]] are large, nearly circular, 3-15 cm diameter, green to glaucous green above, paler below; they are [[leaf shape|peltate]], with the 5-30 cm long [[petiole (botany)|petiole]] near the middle of the leaf, with several veins radiating to the smoothly rounded or slightly lobed margin. The [[flower]]s are 2.5–6 cm diameter, with five petals, eight stamens, and a 2.5–3 cm long nectar spur at the rear; they vary from yellow to orange to red, frilled and often darker at the base of the petals. The [[fruit]] is 2 cm broad, three-segmented, each segment with a single large seed 1–1.5 cm long.<ref name=jeps>Jepson Flora: [http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?Tropaeolum+majus ''Tropaeolum majus'']</ref><ref name=pier>Pacific Island Ecosystems at Risk: [http://www.hear.org/pier/species/tropaeolum_majus.htm ''Tropaeolum majus'']</ref>
==Cultivation and uses==
It is widely cultivated, both as an [[ornamental plant]] and as a [[medicinal plant]].
Garden Nasturtiums are grown for their flowers, and also because both their leaves and flowers are edible; they can be used in salads, imparting a delicately peppery taste. The seed are also edible, and can be used as a [[caper]] substitute.<ref name=pfaf>Plants For A Future: [http://www.ibiblio.org/pfaf/cgi-bin/arr_html?Tropaeolum+majus ''Tropaeolum majus'']</ref>
It is listed as [[invasive plant|invasive]] in several areas, including [[Hawaii]], [[Lord Howe Island]], and [[New Zealand]].<ref name=pier/>
==References==
{{reflist}}
<gallery>
Image:Tropaeolum majus 02 ies.jpg|Underside of leaf showing petiole attachment
Image:Tropaeolum majus 04 ies.jpg|Flower cut through to show structure
Image:Tropaeolum majus0.jpg|Immature fruit
</gallery>