1. Cycas are sporophyte plants. Its body can be divided into roots, stems and leaves.
2. They are erect palm-like plants.
3. They have brown hairy bracts and green foliage.
4. The green leaves are large, pinnately compound and spirally arranged.
5. Young leaves have sarcinate vernation or whorls.
6. Their leaves contain transfusion tissue.
7. Stems are straight, sessile, stout, cylindrical and with persistent petioles.
8. They have seeds, no fruit and the seeds are naked.
9. Germs form strobilus.
10. Their ovules are large, unencapsulated and located in the endosperm.
11. They are heterosporic or uninucleate.
12. They are air pollinated. That is, pollination takes place through air.
13. They have coralloid roots.
14. Their spermatozoa are the largest, Latim-like, multi-flagellated and motile. Dr. Siddique Publications
15. Their sexual reproduction is ogamous in nature.
16. Their embryos are created.
17. They are archegonoids.