Hernández‐Hernández T., Brown J. W., Schlumpberger B. O., Eguiarte L. E., Magallón S., Beyond aridification — multiple explanations for the elevated diversification of cacti in the New World Succulent Biome, New Phytologist, 2014, 202(4):1382-1397, doi: 10.1111/nph.12752
The paper analyses relationships among cactus lineage diversification, growth form and pollination biology. It compares plant features in the context of evolutionary history.