TROPICAL PLANT ENCYCLOPEDIA
Sagittaria lancifolia
Bulltongue ArrowheadFamily: Alismataceae
Origin: Southeastern United States
USDA Plant Hardiness Zone Map
The plant is conspicuous for its large, lance-shaped leaves which grow up from underground rhizomes and its showy, white three-petaled flowers which form at the end of long, thick stalks. The plant likes to grow in fresh or brackish water and is commonly found in ditches, marshes, swamps and along the shores of lakes and streams.
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Link to this plant:
https://toptropicals.com/catalog/uid/sagittaria_lancifolia.htm