How many different types plants (taxa) are there at the Arboretum?
There are approximately 3,100 different taxa (types of plants) of accessioned perennial plants in the Arboretum’s collections, not including the hundreds of native perennial and annual plants that can be seen throughout the grounds. These taxa are largely represented by the following 10 plant families: Cactaceae (Cactus Family) – 567 taxa; Leguminosae (Pea or Bean Family) – 299 taxa ; Iridaceae (Iris Family) – 179 taxa; Liliaceae (Lily Family – includes Aloes) – 176 taxa; Myrtaceae (Eucalyptus Family) – 161 taxa; Agavaceae (Agave or Century Plant Family) –157 taxa; Compositae (Sunflower Family) – 131 taxa; Labiateae (Mint Family) – 104 taxa; Rosaceae (Rose Family) – 86 taxa; and Palmae (Palm Family) – 47 taxa.
