Affinities of Cycadeoids | Class Cycadopsida | Gymnosperms | Botany
In this article we will discuss about the affinities of Cycadeoids which belong to the family of Class Cycadopsida. A. Relation to Ferns: Cycadeoids resemble ferns in the following characteristics: 1. The abundance of multicellular rementa on the plant body. 2. The presence of scalariform tracheids, large pith and direct leaf traces. 3. The pinnatified microsporophyll with lateral rows of [...]