SINCE 1828
toothcup
nounDefinition of toothcup
1
: a low-growing North American herb (Rotala ramosior) found on sandy shores and having solitary flowers and regularly splitting capsules
2
: a low herb (Ammania coccinea) of the family Lythraceae chiefly found in southern U.S. and having narrow leaves and flowers in clusters of two, three, or several in the leaf axils
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