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In the vascular plants, the diploid sporophyte has evolved as the dominant and visible phase of the life cycle.

In seed plants and some other groups of vascular plants the gametophyte phases are strongly reduced in size and contained within the pollen and ovules.

Their common elements occur in the embryonic part of the life cycle, which is their diploid multicellular phase.The accompanying page, Plant morphology, provides an overview of the science of studying the external form of plants.There is also an alphabetical list, Glossary of botanical terms.The remainder of the vascular plant sections address the higher plants (Spermatophytes or Seed Plants, i.e. In the higher plants the terrestrial sporophyte has evolved specialised parts.In essence they have an underground component and an upper aerial component.

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