Rorippa aquatica (Eaton) E.J.Palmer & Steyermark
Family: Brassicaceae
lake cress
[Armoracia aquatica (Eaton) Wiegand,  more...]
Rorippa aquatica image
William S. Alverson  
Rorippa aquatica image
William S. Alverson  
Etymology: Armoracia: Celtic name referring to "saline," favorite habitat of this plant
Plants: perennial, aquatic forb, hairless; stems partly submersed or floating; fibrous roots along the stems
Leaves: submersed leaves finely divided into filament-like segments; emergent leaves lance-like to oblong with sharp lobes or toothed edges
Flowers: white, 4-parted, short stalked, petals rounded at the top
Fruits: inflated, oval pod, 1 seed chamber fruit drawing; seeds rarely maturing
Habitat: quiet water, shores, water to 7' deep
Conservation Status: Endangered
Rorippa aquatica image
William S. Alverson  
Rorippa aquatica image
Rorippa aquatica image
Rorippa aquatica image
Rorippa aquatica image
Rorippa aquatica image
Rorippa aquatica image
Rorippa aquatica image
Rorippa aquatica image