emergent
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Wetland and Aquatic Plants of Oklahoma

Interactive Keys: Emergent

White Flowers

    
4. Flower with highly modified 4 or 5 lobes 
 
Acanthus (Acanthaceae)

NWI status: Both waterwillows are designated as OBL.

American water-willow (Justicia americana (L.) Vahl)
Native perennial.
                                                                                                                                                               Click thumbnails to enlarge
Justica america map                         Justica america

Note: Useful plant for bank and shoreline stabilization.

Looseflower water-willow (Justicia ovata (Walt.) Lindau) 
Native perennial
.

Justicia ovata  map                 Justica ovata              


Note:
The flowers of this plant have three lower lobes and the spikes are not as dense as American water-willow.
                                                                                

Last update: 2/17/04
Comments to : Bruce Hoagland

bhoagland@ou.edu

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