Photographs: Crookhaven, Co. Cork

Scarlet Pimpernel Lysimachia arvensis (Anagallis arvensis) Falcaire fiáin Family: Primulaceae Flowering time: June-September. Annual. Native. The single red flowers are 5-petalled (and can sometimes be blue or pink). Ascending or trailing 4-angled hairless stems with opposite pairs of stalkless bright-green leaves that are oval and pointed. Height: To 30 cm. Occasional to frequent in dry grassland, dunes, roadsides, gardens, waste and cultivated ground but less common in the north west of Ireland.

Scarlet Pimpernel, Lysimachia arvensis (Anagallis arvensis), Falcaire fiain