The Collaborative International Dictionary of English v.0.48:
Persoonia \Persoonia\ prop. n. A genus of Australian undershrubs to small trees; the geebungs. Syn: genus Persoonia. [WordNet 1.5]WordNet (r) 3.0 (2006):
Persoonia n 1: Australian undershrubs to small trees: geebungs [syn: Persoonia, genus Persoonia]