The rasp-leaf pelargonium (Pelargonium radens) belongs to Geraniaceae (the Geranium family). It is an evergreen perennial herb that is originally from the southern and eastern Cape, South Africa. This herb grows in ravines or gorges near streams or among shrubs on mountainsides, and up to 1.5 m in height. The leaves are deeply cut triangular, scented, and gray-green. The small pink-purple flowers bloom in the clusters in summer. After the flowers, it will bear small curly-tailed brownish seeds.