The genus Nasturtium has recently undergone reclassification, many species typically associated with this genus have been moved to the genus Tropaeolum, however they are still commonly referred to as Nasturtiums. This genus contains 4 species in the cabbage family, Brassicaceae. They produce delicate 4-petalled white flowers and edible green leaves. These plants are commonly known as Watercress or Yellowcress, the leaves have a tangy, peppery taste. Two of the most well-known species in this genus are Nasturtium microphyllum and Nasturtium officinale.