The Collaborative International Dictionary of English v.0.48:
Nauclea \Nauclea\ prop. n. A small genus of evergreen tropical shrubs or trees with smooth leathery leaves. Syn: genus Nauclea. [WordNet 1.5]WordNet (r) 3.0 (2006):
Nauclea n 1: small genus of evergreen tropical shrubs or trees with smooth leathery leaves [syn: Nauclea, genus Nauclea]