Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Perennial herbs. Leaves with basal sheath open, free and ± encircling the branch, auricles absent; sheaths often decayed and inconspicuous on older parts; lamina linear to orbicular; apex entire. Inflorescence a few- to many-flowered spike, emergent. Anthers 4; pollen ± spherical. Carpels 3–5; sessile. Infructescence as for inflorescence (cf. Ruppia). Fruit with inner hard tissue remaining.

About 100 species; 11 species native to Australia and 1 or 2 naturalized, 7 species native to Victoria.

Pollination is thought to occur above or on the surface of water either by wind, insects or by floating across the water.

Source: Conn, B.J. (1994). Potamogetonaceae (including Ruppiaceae). In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
Updated by: Andre Messina, 2014-08-11
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