Leaves peltate, palmately cleft in 7 or 9 lobules, lanceolate, serrate.
"The Medicinal Plants of the Philippines"
T. H. Pardo de Tavera
The leaves are simple, palmately lobed, round-dentate or heart-shaped-dentate.
"Manual of American Grape-Growing"
U. P. Hedrick
Leaves: Rounded, deeply and palmately lobed, the 5 to 9 lobes often cleft.
"Wild Flowers Worth Knowing"
Neltje Blanchan et al