|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Onagraceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Annual to subshrub or emergent aquatic, often floating, rooting at nodes. Leaf: alternate to opposite. Inflorescence: spike; flowers 1 per bract. Flower: radial; hypanthium 0; sepals 4--5(7), persistent; petals (0)4--5(7), white to yellow; stamens 4 or 10(12), pollen generally shed singly (in California); stigma club-shaped to spheric. Fruit: irregularly dehiscing; wall thick or thin. Seed: free or embedded in woody piece of fruit wall.
Species In Genus: 82 species: +- worldwide. Etymology: (C.G. Ludwig, German botanist, physician, 1709--1773) Note: Many polyploids.
eFlora Treatment Author: Peter C. Hoch & Brenda J. Grewell
Jepson Online Interchange
Key to LudwigiaPrevious taxon: Gayophytum ramosissimum
Next taxon: Ludwigia grandiflora
Citation for this treatment: Peter C. Hoch & Brenda J. Grewell 2016. Ludwigia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9765, accessed on October 27, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on October 27, 2016.