comparison of ovule post fertilization of cycas and pinus
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Cycas and Pinus are evergreen perennials while Ephedra is perennial with scaly leaves. Cycas and Ephedra are dioecious while Pinus is a monoecious plant. Cycas is 5-15 feet in height (C. media 20’), resembling in habit with palms on the one hand and tree ferns on the other. Pinus is about 15-45 metres in height while Ephedra is a straggling shrub with few species as lianes.
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