4. Gnetophyta. This subdivision consists of 3 living genera and approximately 70 ... Gnetophyta's unique fertilization feature is that a tube grows from the eggs to ...
Characteristics of the group, with representative images. ... Phylum. Gnetophyta (Vessel-bearing gymnosperms) Return to phylum directory. Living Genera: ...
The plant division Gnetophyta or gnetophytes comprise three related families of ... At issue is whether the Gnetophyta are the sister group Cladistics is a form of ...
Division. Gnetophyta (Vessel-bearing gymnosperms) Return to Seed Plants Lab ... Leaves are simple, opposite or whorled, strap-like in Welwitschiaceae, ...