Etymology: Pontederia: for Pontedera, professor at Padua in 18th century
Plants: erect, perennial, emergent semi-aquatic 1'- 3 1/2' tall; spreading, colony-forming rhizomes
Leaves: heart-shaped, shiny, with many parallel veins and long, air-filled stalks; the submerged leaves ribbony
Flowers: blue, 6-parted, 1/2" wide, funnel-shaped, 2 lips divided into 3 lobes each, the upper center lobe marked with yellow; inflorescence a 4" spike with each flower open for only 1 day; blooms June-Aug.
Fruits: ridged, dry seed
Habitat: shallows, water to 40" deep; in muddy, sediment soil
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 8, Wetland Indicator = OBL USDA Plants Database: Federal Distribution and detailed information including photos USGS - Northern Prairie Wildlife Research Center: Wetland Plants and Plant Communities of Minnesota and Wisconsin USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions