Pontederia lanceolata Nutt.

EX HERBARIO KEWENSI
ARGENTINA
Royal Botanic Gardens, Kew/ Darwinion, Buenos Aires
Joint Expedition 1978
S.A. Renvoize, M. Wilmot-Dear &. N. Tur
Corrientes, Empedrado
Ruta nacional 12, Ao. Sombrerito
Marshy ground beside road.
Perennial aquatic plant with succulent,
erect stems from a rhizomatous base.
Flowers blue, superior petal with two yellow
spots near the base.
S.A. Renvoize 3666
28oll,78.
02474898