Native & Naturalized Plants of the Carolinas & Georgia


3797

Emergent aquatic (rooted); Forb
Perennial

Non-native: Eurasia & Africa

Documented growing wild in - - -

Rare

Look for it in farm ponds and other stagnant or slow-moving 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:

 

LEAVES:
Submerged leaves finely divided, feather-like; floating leaves simple
Submerged leaves alternate; floating leaves in a rosette at water's surface
Petioles of floating leaves 2-6' long

FLOWER:
Summer/Fall
White (inconspicuous)
4 sepals
4 petals
Flowers borne in the center of the rosette of floating leaves

FRUIT:
Nut-like

 

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



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Myrtales

WEAKLEY'S FLORA (11/30/12):
Trapa natans   FAMILY Lythraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Trapa natans   FAMILY Trapaceae

 

COMMON NAME:
European Water Chestnut, Water Caltrop


Click or hover over the thumbnails to see larger pictures.

image of Trapa natans, European Water Chestnut, Water Caltrop

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_trna_001_lvd