Citation: A. Bennett, J. Bot., Lond. 25:178 (1887).

Synonymy: Not Applicable

Common name: None

Description:
Perennial; emergent leaves petiolate, ovate or orbicular, with 18-25 nerves.

Spike (in fruit) 2.5-4 cm long.

Fruiting carpels 2-3 mm long, beak very short, with 3 almost smooth acute ribs.

Distribution:  Restricted to S.Aust. and N.S.W. (cf. J. Black (1943), but not mentioned by J. Thompson (1961) Contr. N.S.W. natn. Herb., Fl. ser. 9, or Sainty & Jacobs (1981) Waterplants of New South Wales. S.Aust.: MU, SL, SE. Conservation status: native Flowering time: Nov. — March.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: No text

Taxonomic notes: The justification for separating this species from P. tricarinatus is doubted by both H. I. Aston (1973) and Hj. Eichler (1965).Fig. 768E.

Author: Not yet available