The Collaborative International Dictionary of English v.0.48:
Echinochloa \Echinochloa\ n. 1. annual or perennial succulent grasses of warm regions. Syn: genus Echinochloa. [WordNet 1.5]WordNet (r) 3.0 (2006):
Echinochloa n 1: annual or perennial succulent grasses of warm regions [syn: Echinochloa, genus Echinochloa]