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|Family: Brassicaceae (Cruciferae)||View Description||Dichotomous Key|
|Genus: Rorippa||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Rorippa sinuata (Nutt.) Hitchc.
Habit: Perennial herb, sparsely to moderately hairy, hairs hemispheric; with rhizomes or creeping roots. Stem: decumbent to prostrate, few to many from base, branched distally, 1--4.2(5) dm, proximal portions hairy. Leaf: basal not rosetted, early-deciduous; mid-cauline pinnately lobed to wavy, (1.5)2.5--6.5(9) cm, sessile, base generally lobed, oblong to oblanceolate or lanceolate, glabrous adaxially, hairs on abaxial veins sac-like; lateral lobes oblong or ovate, dentate to wavy or entire; distal cauline sessile, bases lobed. Inflorescence: elongated. Flower: sepals ascending, 2.2--3.7(4.5) mm, oblong; petals (2.7)3.2--5.3(6) mm, 1.5--2.5 mm wide, oblanceolate to spoon-shaped. Fruit: silique, (4)4.7--11.5(16) mm, (1)1.5--2.5 mm wide, oblong to lanceolate or linear, curved; valves glabrous or hairy; style (0.8)1--2.5(3.5) mm; pedicel spreading, 4--12(14.5) mm, slender, generally recurved. Seed: (30)50--82(98), 0.7--1 mm, +- broadly reniform. Chromosomes: 2n=16.
Ecology: Lake shores, streambanks, fields, moist ground; Elevation: 900--2600 m. Bioregional Distribution: GB; Distribution Outside California: to Canada, central United States, Texas. Flowering Time: Apr--Aug
eFlora Treatment Author: Ihsan A. Al-Shehbaz
Jepson Online Interchange
Previous taxon: Rorippa palustris subsp. palustris
Next taxon: Rorippa sphaerocarpa
Citation for this treatment: Ihsan A. Al-Shehbaz 2017. Rorippa sinuata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=41600, accessed on February 22, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 22, 2017.