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Sagittaria Linnaeus. Arrowhead, Katniss, Flecha de Agua.

Contributed by Brian R. Keener & Alan S. Weakley

Key to Sagittaria

A genus of about 25 species, herbs, primarily of the Americas. Groups (and Complexes within the Graminea Group) shown in the key and text are based on Keener (2005).

Key advice:Portions of this key (and treatment) are provisional. The taxonomy and best characters to use in the linear-leaved species is particularly problematic.

Ref: Adams (1961); Beal, Wooten, and Kaul (1982); Bogin (1955); Haynes & Hellquist (2000a) In Flora of North America Editorial Committee (2000); Haynes, Les, & Holm-Nielsen In Kubitzki (1998b); Keener (2005); Sorrie & LeBlond (2008); Sorrie, Keener, and Edwards (2007); Werier & Gandhi (2023); Wooten (1973). Show full citations.

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Hover over a shape, letter, icon, or arrow on the map for definition or see the legend. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.

image of plant© Alan Cressler: Sagittaria fasciculata, Bunched Arrowhead Heritage Preserve, Greenville County, South Carolina 2 by Alan Cressler | Sagittaria fasciculata source | Original Image ⭷
image of plant© Jim Fowler | Original Image ⭷
image of plant© Alan M. Cressler | Sagittaria graminea | Original Image ⭷

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