Angiosperms

ANGIOSPERMS

Classification of Angiosperms into 2 classes:

i. Class Dicotyledonae     (Mangifera indica)  

ii. Class Monocotyledonae       (Zea mays)  

UNIQUE CHARACTERISTICS

• Have flowers as reproductive organ
• Seed is enclosed within ovary
• Have complex vascular tissues  
• Xylem consists of tracheids & vessels 
• Phloem consists of sieve tubes  &   companion cells
• Sporophyte is dominant
• Double fertilization occurs producing the nutritive triploid endosperm
• Fruits are formed which serves as protection and means of dispersal for the seeds
• Angiosperms divided into 2 classes :

            -  Dicotyledonae
            -  Monocotyledonae