Citation: L., Sp. Pl. 445 (1753).

Synonymy: Not Applicable

Common name: Munyeroo, common purslane, common pigweed.

Description:
Prostrate to decumbent annual succulent herb with distinct tap root; stems spreading to ascending, to 25 cm long; leaves spirally arranged to subopposite, subsessile, obovate to oblanceolate or cuneate, truncate or obtuse, sometimes emarginate, 1-2.5 x 0.6-1.5 cm; axillary hairs few, inconspicuous, to 1 mm long.

Heads 2-30-flowered; sepals ovate to lanceolate, 3-6 mm long, keeled; petals yellow, obovate, 4-7 mm long, 2-5 mm wide; stamens 8-15; stigmas 4-6, on a style 1.5-2 mm long, about the same length as or slightly longer than the stigmatic arms.

Capsule ovoid, 3-5 mm long, operculum about the same length as the base; seeds orbicular to subobovoid, black, shiny to dull, c. 0.6-1 mm diam., tuberculate, the tubercles usually rounded.

	Twig, half flower, fruit, dehiscing fruit and seed.
Image source: fig. 135 in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

	Seed
Image source: fig. 134b in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Cunningham et al. (1982) Plants of western New South Wales, p. 300.

Distribution:  Usually grows as a weed in disturbed areas and is common in cultivated land, sometimes forming dense mats. S.Aust.: NW, LE, GT, FR, EA, EP, MU, SL, KI.   All States.   Occurs in temperate and tropical regions of the world. Conservation status: native Flowering time: Aug. — March.

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

Biology: No text

Taxonomic notes: This species is morphologically variable and some authors recognise infraspecific taxa.

Author: Not yet available