Family Code: POACEA Genus Code: CTENI Genus CN: toothache grass Genus Authority: Panzer Genus Summary: A genus of about 20-22 species, of tropical and subtropical Africa and the Americas. Genus References: Barkworth in FNA (2003a); Longhi-Wagner & Renvoize (2004). Last Updated: 2019-11-29 Publish: 1