pel·tate 
(pĕltāt′)
(pĕltāt′)adj.
Having a flat circular structure attached to a stalk near the center, rather than at or near the margin; shield-shaped: the peltate leaf of the nasturtium.
[Latin peltātus, armed with a small shield, from Latin pelta, small shield, from Greek peltē; see pel-3 in the Appendix of Indo-European roots.]
peltate′ly adv.
peltatepeltate leaf