pontederad

[Mod. Lat. ponteder ( ia ); Eng. suff.-ad.] Bot . ( pl .): Lindley's name for Pontederaceæ. pon-tě-dër-I-a, s . [Named after Julius Pontedera, Profe or of Botany at Padua.] Bot . The typical genus of Pontederaceæ (q. v.). The root of Pontederia vaginal is is chewed in India for toothache.