Irish wildflowers

Photos: Ballyvourney, Co.Cork

Two-spined Pirri-pirri-bur / Two-spined Acaena
Acaena ovalifolia
Family: Rosaceae

Flowering: Early summer. Evergreen perennial. Introduced. Garden escape.

Round heads of petal-less flowers followed by burrs with 2 barbed spines.
Bright-green leaves with (usually) 9 leaflets, narrow oblong-oval.
Stems woody at base, hairy. Prostrate, rooting, mat-forming.

Occasional garden escape. Found in woodland and on paths.
Can be invasive.
Identification: Paul Green, Co.Wexford.

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