Photographs: the Burren, Co. Clare

Herb-robert Geranium robertianum subsp. celticum Ruithéal rí Family: Geraniaceae Flowering: May-September. Perennial. Native. A smaller, paler form of Herb-robert with a restriction of anthocyanin (the red and purple pigment) to the leaf stalks and stem-nodes. Pale pink flowers, anthers usually red or purple. The fruit is larger and usually more or less hairless. Stems and leaves are pale green, nearly hairless. Mainly restricted to limestone rocks on or near the coast in the Burren, Co. Clare. Confirmed by Paul Green.

Herb-robert, Geranium robertianum subsp celticum