Submersed leaves are linear in outline and approximately 6 mm wide and to 1 inch long. The submersed leaves are much different from either the floating or emersed leaves. Floating and emersed leaves are either crowded in a rosette-type growth habit or arranged oppositely from one another. Floating and emersed leaves are approximately to inch long. Heart-shaped, approximately 1 mm wide, and splitting into 4 nutlets with maturity.
Flowers are very small and inconspicuous, with no sepals or petals.