Inflorescence with male and female flowers in each umbel-like cluster, female flowers many more than male; primary bracts paired, in 2–4 series; styles simple or divided, multicelled. Capsule 3-angled in cross-section, opening from base to apex.
An endemic Australian genus of 3 or 4 species.
Source:
Conn, B.J. (1994). Hydatellaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons, pp. 628–629. Inkata Press, Melbourne.
