L., Sp. Pl. 126 (1753).
Synonymy: Not Applicable
Common name: Curly pondweed.
Perennial, with stems to 4 m or more long; leaves all submerged, green to red-brownish, thin and translucent, serrulate and mostly gently to strongly crisped at the margins, usually narrowly lanceolate to linear-oblong, to 7 cm long; stipular sheath free.
Spike (in fruit) 1-2 cm long.
Fruiting carpel 5-7 mm long (including beak) with a conspicuous thick tapered erect or somewhat curved beak up to almost as long as the body of the carpel, with a more or less crenulate dorsal keel and with sides smooth to strongly tuberculate.
Sainty & Jacobs, (1981) Waterplants of New South Wales, pp. 368, 369.
Occurs in still or flowing water to 4.5 m deep.
S.Aust.: LE, FR, NL, MU, SL, SE. N.T.; Qld; N.S.W.; Vic. New Zealand; Europe; Africa and Asia.
Flowering time: Nov. — May.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Not yet available