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TROPAEOLACEAE NASTURTIUM FAMILY

Robert E. Preston & Elizabeth McClintock

Annual, perennial herb, ± fleshy, generally ± glabrous; often twining by petioles; roots tuber-like or not. Stem: prostrate. Leaf: generally simple, generally alternate, peltate [(or not)]; blade << petiole, entire, toothed, lobed, or dissected, veins generally palmate; stipules often 0. Inflorescence: flower generally 1 on long, axillary pedicel. Flower: showy, bisexual, generally bilateral; sepals 5, uppermost (adaxial) generally long-spurred; petals generally 5, clawed, upper 2 unlike lower 3; stamens 8, in 2 whorls, unequal; ovary superior, lobes 3, chambers 3, placentas axile, style 1, >> ovary, 3-parted near tip, stigmas 3. Fruit: separating into 3 generally nut-like, 1-seeded segments (= mericarps).
1 genus, ± 90 species: Mexico to South America; some cultivated. —Scientific Editor: Thomas J. Rosatti.
Unabridged note: 2 additional stamens opposite petals ± abortive.

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Oct 23 2014
Citation for this treatment: [Author of taxon treatment] 2013. Tropaeolaceae, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=275, accessed on Oct 23 2014

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