SPERMA: seeds) are planted in which the ovules are not enclosed by any ovary WALL and remain exposed, both before and after fertilization.Gymnosperms include medium-sized trees or tall trees and shrubs.Gymnosperms are mainly classified into two groups-Cycadophyta (Lower gymnosperm)Coniferophyta (Higher gymnosperm)CYCAS is an example of gymnosperm.Girdling leaf traces are the characteristic feature of the stem of cycas. Cycas belongs to the family of Cycadaceae.In Cycas male & female cones are borne on two separate trees.Cycas is a gymnosperm. It has many species like Cycas revoluta, a cycad of group gymnosperm. Sago grains are extracted from their stem. Cycas circinalis, also commonly known as ''queen sago'' is a native SriLankan cycad.PinusPinus PLANT is the anemophilous plant.Anemophilous plants are wind-pollinated plants.GinkgoIt is a living fossil.It is known as ''Maidenhair tree".EphedraThis is commonly FOUND in Rajasthan.It is very effective in asthma.