Photographer: Michael Clayton
Pontederia cordata L.
Pontederia: for Pontedera, professor at Padua in 18th century
|Plant: ||erect, perennial, emergent semi-aquatic 1'- 3 1/2' tall; spreading, colony-forming rhizomes|
|Flower: ||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.|
|Fruit:||ridged, dry seed|
|Leaf:||heart-shaped, shiny, with many parallel veins and long, air-filled stalks; the submerged leaves ribbony|
|Habitat: ||shallows, water to 40" deep; in muddy, sediment soil|