Alternation of generations
Life cycle with both a multicellular diploid and a multicellular haploid stage –> retain zygote/embryo to eventually form sporophyte generation
Synapomorphy of land plants
Angiosperms
Characterized by having flowers, double fertilization, and vessel elements
Monophyletic group
Include 3 lineages: 1) Basal Angiosperms, 2) Monocots, 3) Eudicots
90% of plant diversity