Pontederia ovata Linnaeus, Species Plantarum 1: 288. 1753.

"Habitat in Malabariae aquosis." RCN: 2291.

Lectotype (Suresh & Nicolson in Taxon 35: 355. 1986): [icon] "Naru kila" in Rheede, Hort. Malab. 11: 67, t. 34. 1692.

Current name: Phrynium pubinerve Blume ( Marantaceae).

Note: See also discussion by Horn & Haynes (in Taxon 36: 621. 1987), and Turner (in Gard. Bull. Singapore 46: 127-129. 1994), who notes that the correct name for this taxon is not Phrynium rheedei Suresh & Nicolson but Phrynium pubinerve Blume.