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|Jepson eFlora: Taxon page
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|Family: Onagraceae||View Description||Dichotomous Key|
|Genus: Ludwigia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Ludwigia repens J.R. Forst.
Habit: Perennial herb 1--3 dm, matted. Stem: decumbent, rooting at nodes, +- branched, +- glabrous. Leaf: opposite, < 5 cm; blade narrowly elliptic to +- round, entire, +- glabrous to densely and minutely strigose. Inflorescence: pedicel 0--3 mm. Flower: sepals 4, 1.8--5 mm; petals 4, 1--3 mm, yellow; stamens 4, anthers 0.4--0.9 mm, pollen shed +- in 4s; ovary stripes 0. Fruit: erect, 4--10 mm, oblong to narrowly obconic, sometimes +- hairy. Seed: 0.6--0.8 mm, free from fruit wall. Chromosomes: 2n=32.
Ecology: Muddy or sandy streambanks, ponds; Elevation: < 900 m. Bioregional Distribution: SnBr, PR, sw DMoj; Distribution Outside California: to southeastern United States, Caribbean, northern Mexico, southern Asia, Japan. Flowering Time: Jul--Sep
Unabridged Synonyms: Ludwigia natans Elliott var. stipitata Fernald & Griscom; Ludwigia repens var. stipitata (Fernald & Griscom) Munz
eFlora Treatment Author: Peter C. Hoch & Brenda J. Grewell
Jepson Online Interchange
Previous taxon: Ludwigia peploides subsp. peploides
Next taxon: Neoholmgrenia
Citation for this treatment: Peter C. Hoch & Brenda J. Grewell 2017. Ludwigia repens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=31657, accessed on February 20, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 20, 2017.