The main characteristic features of the seedless vascular plants are:
- No seed formation occurs in these types of plants.
- They reproduce through spores.
- They possess stem, leaves and roots in some of them they each parts may not be distinguishable.
- The plants possess the complex tissue such as the xylem and the phloem.
- The cell walls of these plants are made from cellulose and pectin.
- The seedless vascular plant shows alternation of generation in their life cycle.
- The sporophytic phase of the life cycle produces spores and the gametophytic phase produces the gametes
- In the gametophytic phase the gametes possess the sperm producing structure antheridia and the egg producing structure archegonia.