Nymphaea ondinea Löhne, Wiersema & Borsch

Tuber 1.5–3.5 cm long, 1–2 cm wide. Leaves: submerged lamina 6–24 cm long, lobes obtuse or emarginate and with a small mucro, bearing sparsely distributed small papillae on both surfaces; floating lamina c. 7 cm long, 2 cm wide, with lobes almost to completely overlapping. Flowers c. 10–20 cm above water; peduncle 3–6 mm wide at base and tapering slightly to flower. Sepals 9–33 mm long, papillose, with a green stripe on adaxial surface, reflexed during anthesis, spreading to erect when in fruit. Petals 0–4 (infrequently 5), alternating with sepals. Stamens 15–34, 1–16 mm long. Carpels 3–10. Fruit 10–20 mm long, 8–15 mm wide. Seeds c. 1 mm long, with fine longitudinal striations.

It is a tropical plant.