ervilhaça, Chicharrão-de-torres - Cicercha Purpurina (Lathyrus clymenum)
Growing by seasonal river. Fairly common locally.
Lathyrus clymenum (Greek arakas) is a flowering plant in the Fabaceae family, native to the Mediterranean. The seeds are used to prepare a Greek dish called fava santorinis. The plant is cultivated on the island of Santorini in Greece and was recently added to the European Union's products with a Protected Designation of Origin.