Family : Mimosa.
It is also an ubulawu plant used by the Zulu's. Ubulawu is a term for plants that cause visionary and prophetic dreams, and allows one to connect with and receive messages from the ancestors and spiritual world.
It has a huge corky textured underground caudex and masses of yellow fragrant mimosa-like pale yellow flowers in spring before the leaves are fully developed.
The root is used by the Shona from Zimbabwe as an aphrodisiac.