Photo: Neptunia prostrata.

Leaf and stalks. Annala, Helsinki, Finland. Storebought. 2004-11-27.
Neptunia prostrata (Lam.) Baill. Engl.: garden puff, water mimosa. Suom.: vesimimosa. Sven.: neptunia. Bot. syn.: Mimosa natans L. f., Mimosa prostrata Lam., Neptunia natans auct., Neptunia oleracea Lour.
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Photo: Neptunia prostrata.