science education

Exploring Nature Science Education Resource:

Life Science, Earth Science, and Physical Science Resources for K-12


Pontederia cordata


They are found along edges of ponds, lakes, streams and marshes in calm water.


The flowers are spikes of small violet-blue flowers that rise out of the water. There are large, heart-shaped leaves on long stalks that attach at the bottom. They bloom June through October.

Taxonomic Features (Traits) for Identification

  • Flower Type: Irregular flowers on the end of a spike
  • Flower Color: Purple
  • Leaf Arrangement: Alternate
  • Plant Type: Wildflower (Large - 1-3 feet)
  • Leaf Type: Heart-shaped at the base, entire (smooth edge) and on a long stalk

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< > has more than 2,000 illustrated animals. Read about them, color them, label them, learn to draw them.

cheetah, tiger, panda, fox, bear, cougar