What characteristic does Bursaria and Boykinia share>
Bursaria Bursaria is a genus of large shrubs and small trees which are native to Australia. The genus was first described by Antonio Cavanilles in 1797, with his description of the type species "B. spinosa". The name is derived from the Latin word "bursa" (purse) which relates to the shape of its seed capsules.
Burkilliodendron Burkilliodendron is a genus of flowering plants in the legume family, Fabaceae. It belongs to the subfamily Faboideae.