Are Crotalaria and Genista both types of shrubs?
Genista Genista is a genus of flowering plants in the legume family Fabaceae, native to open habitats such as moorland and pasture in Europe and western Asia. They include species commonly called broom, though the term may also refer to other genera, including "Cytisus" and "Chamaecytisus". Brooms in other genera are sometimes considered synonymous with "Genista": "Echinospartum", "Retama", "Spartium", "Stauracanthus", and "Ulex".
Canotia Canotia holacantha, also known as crucifixion thorn or simply canotia, is a flowering shrub / small tree in the family Celastraceae. It is the only species in the genus Canotia.