Raoul, Annls Sci. nat., sÚr. 3, 2:117 (1844).
Synonymy: Not Applicable
Common name: Blunt pondweed.
Perennial, with stems to 4.5 m long; leaves all submerged, green to brown, translucent, with entire and flat margins, linear, 2.5-9 (rarely to 13) cm long; stipular sheath free.
Spike (in fruit) 1.5-2.5 cm long.
Fruiting carpel 4-4.5 mm long (including beak), smooth or with faintly crenulate dorsal ridges.
Sainty & Jacobs (1981) Waterplants of New South Wales, pp. 372, 373.
Occurs in still or flowing water to 4.5 m deep.
S.Aust.: GT, FR, EA, EP, MU, SL, KI, SE. All States. New Zealand.
Flowering time: principally in Nov. and Dec., but less often from Aug — March.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Not yet available