Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Introduced

Stoloniferous, perennial herb, free-floating. Rhizome absent or very reduced. Leaves in a basal rosette; petiole spongy, often inflated and buoyant. Primary bracts 2, subtending the inflorescence. Inflorescence terminal, racemose, appearing spike-like, erect, few- to many-flowered, with flowers usually crowded. Perianth lobes 3–4 cm long; ovary 3-locular with axile placentation. Infructescence recurved and submerged. Capsule 3-chambered; seeds numerous.

About 7 species, in the American tropics, with one species in Africa and Madagascar; 1 species naturalised in Australia.

Source: Conn, B.J. (1994). Pontederiaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
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life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Commelinales
Higher taxa
genus Eichhornia
Subordinate taxa