The plant collections , mainly made up of plants from regions with a climate similar to the Mediterranean, consist of over 200 species of great scientific interest. The thousands of examples which make up these collections are also of importance for teaching, tourist and landscape purposes.
Of these collections, the succulent plants make up some 30% of the species, and include Agavaceae, Apocynaceae, Cactaceae, Crassulaceae, Euphorbiaceae, Liliaceae, Mesembryanthemaceae etc. Some of these are found in an original setting on the walls of the spiral staircase that leads round the belvedere gazebo of the villa.
There are also important Palmae and Cycadaceae including Erythea, Livistona, Chamaerops, Phoenix, Howea, Sabal, Jubaea, Washingtonia and Cycas types. From the small flower beds of evergreen shrubs, plants of tropical and sub-tropical origin emerge here and there: Ficus lyrata, Phytolacca dioica, Doxantha unguis cati, Acca sellowiana, Monstera deliciosa, Syzygium cumini, etc.