Recent molecular data have given a new idea of Gymnosperm phylogeny.
Tuesday 2 November 2004
Extant Gymnosperm Phylogeny Molecular analysis have proved that Gnetales are not the Angiosperm sister-clade (Chaw et al., 2000). Angiosperms may have appeared during Jurassic from a group of fossil plants such as Bennetitales or Caytoniales.