Citation: L., Sp. Pl. 126 (1753).

Synonymy: Not Applicable

Common name: Curly pondweed.

Description:
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.

Published illustration: Sainty & Jacobs, (1981) Waterplants of New South Wales, pp. 368, 369.

Distribution:  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. Conservation status: native Flowering time: Nov. — May.

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

Biology: No text

Author: Not yet available