Citation: Lam., Encycl. 3:153 (1789).

Synonymy: Not Applicable

Common name: None

Description:
Glabrous perennial herb; stem creeping underground, rooting at the nodes; leaf blades broad-transverse-oval to more or less orbicular, 1.2-12 cm diam., very shallowly 12-19-lobed, the lobes crenate; petioles 2-35 cm long.

Peduncles as long as or usually longer than the leaves; umbel proliferous, many-flowered, consisting of many spreading rays with the flowers arranged in whorls in the form of interrupted, sometimes branched, spikes and clustered at the base of the rays; pedicels 2-20 mm long, spreading and reflexed; involucral bracts lanceolate, acute; petals white to creamy-yellow; stylopodium depressed.

Fruit transverse-ellipsoid, 1.5-2 mm long, 2.5-4 mm broad, laterally compressed, emarginate at the base and the apex; dorsal and lateral ribs prominent, acute, almost winged; commissural surface constricted.

Published illustration: Cavanilles (1799) Icon. 5:t. 488, fig. 1; Beadle (1980) Students flora of north-eastern New South Wales, fig. 264A.

Distribution:  In coastal sand dunes and brackish foreshores. S.Aust.: SL.   W.Aust.; N.S.W.; Vic.   native in warm temperate North and South America. Conservation status: naturalised Flowering time: all months, chiefly Nov. — April.

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

Biology: No text

Uses: This species appears useful in stabilising coastal sand dunes and may have been introduced for this purpose to Australia (N.S.W., Manly) c. 1900.

Author: Not yet available