The Collaborative International Dictionary of English v.0.48:
curly-heads \curly-heads\ n. a shrubby clematis (Clematis ochreleuca) of eastern US having curly foliage. Syn: Clematis ochreleuca. [WordNet 1.5]WordNet (r) 3.0 (2006):
Clematis ochreleuca n 1: shrubby clematis of the eastern United States having curly foliage [syn: curly-heads, Clematis ochreleuca]