Waterhyacinth

Photo courtesy of J. Madsen

Photo courtesy of J. Madsen

Scientific Name Eichhornia crassipes (Mart.) Solms
Common Name Waterhyacinth
Family Pontederiaceae (Pickerelweed)
Class Monocot
Description Floating rosette, showy purple flower, propagates vegetatively by daughter plant production
US Distribution Gulf coast states, Florida, Georgia, South Carolina, Sacremento River Delta (California)
Worldwide Distribution Tropical and subtropical regions worldwide, native to Amazon basin
Ecology Floating mat to rooted in moist soil, seedlings do best on mudflat or moist soil
Economic Importance Most important nuisance aquatic plant worldwide, and in US ($5M/yr in Florida)
Ecological Importance Major negative impact on aquatic ecosystems
Notes Northern range limited by heavy freezing
This entry was posted in Aquatic Plants.