Plant Anatomy Of Gymnosperm. Secondary thickenings in tracheary elements are deposited in various forms-1 as rings called annular. The plant is arboreal un-branched palm tree like.
The cambium arises away from primary xylem so that primary and secondary xylem are separated from each. It also provides mechanical strength to the plant parts. One Year Pinus 40x.
The term gymnosperm literally means naked seed as gymnosperm seeds are not encased within an ovary.
The single-layered endodermis of casparain strips is followed by 6-7-celled pericycle. The vasculature is of 8-16 protoxylem elements each one associated with a resin duct. Gymnosperms are vascular plants of the subkingdom Embyophyta and include conifers cycads ginkgoes and gnetophytes. Leaflets are tough leathery and with midrib but no lateral veins.