Citation: Hegelm., Verh.bot. Ver. Prov. Brandenb. 9:19 (1867).

Synonymy: Callitriche cyclocarpa

Common name: None

Description:
Amphibious herbs; leaves in aquatic plants of 2 types, lower leaves linear, 5-10 mm long, 0.4-0.5 mm wide, tapering towards tip, emarginate, with a single mid-vein, upper (rosette) leaves obovate, rarely almost orbicular, 6-8 mm long, 1.5-2 mm wide with a broad petiole, 3-5-nerved; linear leaves absent-in terrestrial plants.

Flowers solitary in the axils of the leaves, bracteoles conspicuous and persistent, c. 0.7 mm long, white; stamens to 3.5 mm long; styles 0.6-2 mm long, spreading, deciduous.

Fruit dark-brown to grey, usually slightly longer than broad, 1.1-1.5 mm long, 1-1.2 mm wide, wing narrow, pale-brown and running around the top, base, and lower, inner edge of nutlets; the wings and edges of the nutlets at the base swollen and pressed against each other to form a prominent projection.

	Fruit in three views.
Image source: fig. 552D in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Mason (1959) Aust. J. Bot. 7:308-9, fig. 5 & 5A; Orchard (1980) J. Adelaide Bot. Gard. 2:192, fig. 1g-i.

Distribution:  S.Aust.: NL, MU, SL, SE.   N.S.W.; Vic.; Tas. Conservation status: native Flowering time: Aug. — Dec.

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