| Synonyms: |
Pontederia lanceolata Nutt. |
| Common names: | Pickerel weed (English) |
| Description: | An aquatic perennial up to 2 m high with erect, emergent stems and horizontal rhizomes. Leaves one per stem, cordate. Flowers borne in spikes 5-15 cm long; petals blue, the upper petal with a yellow blotch in the centre. |
| Notes: | |
| Derivation of specific name: | cordata: heart-shaped |
| Flowering time: | |
| Worldwide distribution: | Native to America, with a wide range from Eastern Canada to Argentina |
| Growth form(s): | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Image last updated: | Thursday 12 October 2017 |
| Literature: |