Hippocrepis emerus or Scorpion Senna is also known as Coronilla emerus. It is an evergreen shrub with imparipinnate foliage. Hippocrepis emerus belongs to the Fabaceae family of plants. It has a long flowering season from spring to autumn. The flowers are yellow and grow in small clusters. The flowers are hermaphrodite and are usually pollinated by bees. After flowering, they produce seed pods of about 5 to 10cm length.
Hippocrepis emerus is native to southeast and central Europe. It grows to 1.5 to 2.5m or 5ft to 8ft. Plant it in well-drained soil that is fertile and preferably in the sun though it could grow in the shade, and in a sheltered position from the wind. It is easy to maintain and generally it is pest-free and disease-free. It is drought-tolerant.