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|Family: Rosaceae||View Description||Dichotomous Key|
|Genus: Potentilla||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Potentilla norvegica L.
Habit: Annual to short-lived perennial herb from taproot, nonglandular. Stem: ascending to erect, 10--70 cm; hairs spreading, sparse and long abaxially, denser and shorter adaxially. Leaf: generally ternate; basal often withered or fallen in flower; cauline generally 3--12 cm, leaflets generally 3, central 15--50 mm, oblanceolate, evenly 11--21-toothed +- 1/3 to midvein, +- hairy. Inflorescence: several to many-flowered. Flower: hypanthium 4--10 mm wide; petals 3--4 mm, < sepals; stamens 15--20, filaments 0.5--2 mm, anthers +- 0.3 mm; style +- 0.8 mm, tapered from rough-thickened base. Fruit: +- 1 mm, veined, light brown. Chromosomes: 2n=56,63,70.
Ecology: Moist, disturbed areas; Elevation: < 2300 m. Bioregional Distribution: c SNH, ScV, PR, SNE; Distribution Outside California: North America, native to Eurasia. Flowering Time: Jun--Sep Note: Distribution of native America, naturalized Eurasian plants needs study.
Synonyms: Potentilla norvegica subsp. monspeliensis (L.) Asch. & Graebn.
eFlora Treatment Author: Barbara Ertter
Jepson Online Interchange
Previous taxon: Potentilla newberryi
Next taxon: Potentilla pensylvanica
Citation for this treatment: Barbara Ertter 2017. Potentilla norvegica, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=39760, accessed on January 17, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 17, 2017.