It was in the Jurassic period when the Angiosperms first appeared on the globe. In the early Cretaceous the Angiosperms were confined to areas lying between latitudes 45°N and 45°S. The angiospermic flora was gradually replacing the non-flowering vegetation of the Jurassic and in the northern part of the globe Angiosperms established themselves only in […]
Origin of Primitive Angiosperms
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