Native & Naturalized Plants of the Carolinas & Georgia


2512

Floating aquatic (the roots floating); Forb
Perennial

Non-native: tropical America
Documented growing wild in GA NC SC

Uncommon

Look for it in ponds, ditches, sluggish water, per Weakley's Flora

map
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INVASIVE

This plant is causing problems in natural areas outside its native range, according to authorities such as:

Alabama Invasive Plant Council, 2012
Brooklyn Botanic Garden
Georgia Exotic Pest Plant Council, 2006
Kentucky Exotic Pest Plant Council, 2013
SC Department of Natural Resources Aquatic Nuisance Species List, 2003
SC List of Regulated Pest Plant Species, 2017
Tennessee Exotic Pest Plant Council, 2009
Virginia Department of Conservation and Recreation, 2014

 

Aquatic

LEAVES:
Simple
Basal rosette

FLOWER:
Summer/Fall
Blue, light purple
Bisexual
4 petaloid perianth segments, in two whorls
6 stamens (3 long, 3 short)
Superior ovary

FRUIT:
Summer/Fall
Capsule

 

TO LEARN MORE about this plant, look it up in a good book!



Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Commelinales

WEAKLEY'S FLORA (11/30/12):
Eichhornia crassipes   FAMILY Pontederiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Eichhornia crassipes   FAMILY Pontederiaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 039-01-001:
Eichhornia crassipes   FAMILY Pontederiaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933)
Piaropus crassipes

 

COMMON NAME:
Water Hyacinth


Click or hover over the thumbnails to see larger pictures.

image of Eichhornia crassipes

Bruce A. Sorrie    bas_e_crassipes1_bol

July        Bolivia

Leaves spade-shaped and curled upward on sides. Roots feathery, floating, per Field Guide to Aquatic Plants of Alabama.


click here to see other plants that look similar to this COMPARE aquatic plants

image of Eichhornia crassipes

Bruce A. Sorrie    bas_e_crassipes2_bol

July        Bolivia

Perianth 6-parted, upper segment larger with yellow blotch at center, per Flora of China.