E. vesicaria ssp vesicaria (also give full species status in Europe as E. vesicaria c.f. E. sativa) is closely related to the Rocket (E. vesicaria ssp sativa) so beloved of the weight conscious salad cognoscenti. E vesicaria ssp vesicaria retains its sepals after flowers develop while in E. vesicaria ssp sativa they quickly drop off. Both subspecies are edible.

Roadside verge near motorway, El Saltador, Spain 18th March 2007

Added on 10th January 2009, updated 29th March 2010