Tripodion tetraphyllum is a species of flowering plant in the legume family, Fabaceae. It is an annual herb, commonly known as annual kidney vetch, native to the Mediterranean Basin of southern Europe, North Africa, and western Asia. It grows in the Mediterranean–Sahara transition zone of North Africa, and in anthropic landscapes. It is the sole species in genus Tripodion, which belongs to subfamily Faboideae.

The plants have a self-supporting growth form and compound, broad leaves. Individuals can grow to 0.2 m.

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