The Collaborative International Dictionary of English v.0.48:
anchusa \anchusa\ n. 1. any of various Old World herbs of the genus Anchusa having one-sided clusters of trumpet-shaped flowers. [WordNet 1.5]WordNet (r) 3.0 (2006):
anchusa n 1: any of various Old World herbs of the genus Anchusa having one-sided clusters of trumpet-shaped flowers