Peltate: shield- or target-shaped.
"Explanation of Terms Used in Entomology" by John. B. Smith
Leaves almost round, peltate near the edge =MENISPERMACEAE= p. 40.
"The Plants of Michigan" by Henry Allan Gleason
True, its crown of peltate leaves declares the species.
"Afloat in the Forest" by Mayne Reid
Each carpel terminates in a peltate head.
"Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7" by Various
Fruit a circumscissile 2-celled capsule, with one or more peltate seeds in each cell, or an achene.
"The Manual of the Botany of the Northern United States" by Asa Gray