Similar plant growth forms found in similar climates, but separated by large distances and not necessarily genetically related, are said to be influenced by

The affinity of unrelated plants to evolve superficially in similar characteristics under similar environmental conditions like climates but separated by distance are influence by convergent evolution. Seed dispersal has evolved independently in most plant species. For instance, the fleshy part of a tomato is the walls of the outer layer. This implies convergent evolution under selective pressure where competition for seed dispersal is through consumption of fleshy fruits by animals such as birds or ants.