General Introduction of Angiosperms

• Angiosperms are originated in Mesozoic era and are beginning of Cretaceous period or in ending of Jurassic period of Mesozoic era, so they are originated between Cretaceous and Jurassic period on the earth.
• Angiosperms are dominant over the earth in Cenozoic era so this era is known as ‘Golden Period of Angiosperms’.
• N. Grew is first realized the fact that Stamens are male sex organ of flower (Anatomy of plants).
• Sexuality in plant is first reported by Jacob Ca…

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