Tripodion tetraphyllum - Bladder Vetch

Phylum: Magnoliophyta - Class: Equisetopsida - Order: Fabales - Family: Fabaceae

Bladder Vetch, a member of the Pea family, is common throughout the Mediterranean region and is often to be found on waste or cultivated land, road and tracksides. It thrives on bare, stony ground, where it blooms from March until June.

The specimen shown above was photographed in the Algarve in April.