Which species is more rare, the Cussonia or Strombocactus?
Cussonia Cussonia is a genus of plants of family Araliaceae, which is native to the Afrotropics. It originated in Africa and has its center of distribution in South Africa and the Mascarene Islands. Due to their striking habit, they are a conspicuous and easily recognizable group of plants. Their genus name commemorates the botanist Pierre Cusson. The Afro-Malagasy and Asian "Schefflera", and Afrotropical "Seemannaralia" genera are related taxa that share several of its morphological characteristics, among which the leaves borne on the end of branches, inflorescences carried on terminal branches or stems, and reduced leaf complexity in developing inflorescences.
Stachytarpheta jamaicensis Stachytarpheta jamaicensis Is a species of plant in the Verbenaceae family, native throughout the Caribbean. It has many common names including blue porterweed, blue snake weed, bastard vervain, Brazilian tea, Jamaica vervain, and light-blue snakeweed. It is unclear whether "S. indica" is a separate species. It is usually found along country roadsides and it grows also well as a ruderal plant on disturbed terrain. It is an invasive species in some places.