Stems decumbent, sparsely pilose. Basal and lower cauline leaf-blades reniform, 3-parted, 0.8-1.7 × 1.2-2 cm, segment base cordate, margins dentate or lobulate, apex rounded-obtuse. Flowers sessile; receptacle glabrous or pilose; sepals 3, spreading, 1-2 × 0.5-1 mm, hirsute; petals 3, 1-2 × 0.5-0.8 mm. Heads of achenes hemispheric, 2-2.5 × 3-3.5 mm; achenes 10-15 per head, 1.3-1.7 × 1-1.3 mm, faces and proximal margin finely papillate, each papilla crowned with hooked bristle, otherwise glabrous; beak semicircular to deltate, curved, 0.2-0.5 mm.

Phenology: Flowering winter–spring (Feb–Apr).
Habitat: Weed in disturbed areas, usually near coast
Elevation: 0-200 m

Distribution

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• Legacy Map

Introduced; Ala., Fla., Ga., La., Miss., N.C., Tex., native to South America (s Brazil), native to South America (Uruguay), native to South America (and Argentina)

Discussion

Selected References

None.

Lower Taxa

None.