Introduced, warm-season, annual, prostrate to ascending, sparsely hairy herb to 60 cm tall. White latex appears where the plant is broken. Leaves are 0.6-3 cm long, opposite, and have 3 strong longitudinal veins, with reddish brown markings mostly along the central vein. Flowerheads are loose clusters of tiny “flowers”, with white or pink petal-like appendages. Flowering is in summer. A native of the Americas, it is found in dry disturbed; often on sandy soils. A minor weed of roadsides and waste areas. Little other information is available about its importance or management in NSW.
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