The Collaborative International Dictionary of English v.0.48:
Parkinsonia \Parkinsonia\ prop. n. A small genus of spiny shrubs or small trees. Syn: genus Parkinsonia. [WordNet 1.5]WordNet (r) 3.0 (2006):
Parkinsonia n 1: small genus of spiny shrubs or small trees [syn: Parkinsonia, genus Parkinsonia]