Description originale : 1204.
Piaropus undulatus Raf.
Pontederia azurea Lunan. hort. Jam. [Lunan, Hort. Jamaic., 2:
273-
274. 1814, fide TL-2,
5096] non alis. Another fine sp. of this G. see
301 [genus
301 in Raf., Fl. Tellur., 2:
81-
82. 01-03/1837, fide TL-2,
8587], proving my asertion that many sp. exist - fol. subrot. acum. undulatis. Lunan describes the flowers with upper lobe of corolla larger ovate, anthers hastate, ovary trigone, style filiform, stigma clavate. Jamaica &c.
