Sagittaria lancifolia subsp. lancifolia
Synonyms: Sagittaria angustifolia
Treatment appears in FNA Volume 22.
Leaves linear to ovate. Inflorescences: bracts striate to ribbed. Flowers: sepals striate to ribbed. 2n = 22.
Phenology: Flowering summer–fall.
Habitat: Brackish marshes near coast
Elevation: 0–50 m
Fla., Ga., S.C., se Mexico, West Indies, Central America, tropical South America
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