swan potato
noun
: a plant of the genus Sagittaria having tubers used as food: such as
a
: a common arrowhead (S. latifolia) of wetlands of the U.S. and southern Canada with starchy tubers once used extensively by American Indians
b
: a similar common Old World arrowhead (S. sagittifolia) that is sometimes cultivated in Japan and China
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“Swan potato.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/swan%20potato. Accessed 30 Nov. 2024.
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