DEVELOPMENT OF SEEDS AND FRUITS IN ANGIOSPERMS

1. types of fruits

1.1. simple fruits

1.1.1. nut and beans

1.1.2. developed from a single carpels

1.1.3. fused carpels of a single ovary

1.1.4. Dry simpe fruits

1.1.4.1. fruits are not fleshy

1.1.4.2. their pericarp is not distinguish into 3 layers

1.1.5. succulent simple fruits

1.1.5.1. fruit pericarp is distinguished into epicarp, mesocarp and endocarp

1.1.5.2. mesocarp is fleshy or fibrous

1.1.5.3. fruits are indehiscent and seeds are liberated after the decay of the flesh

1.2. Aggregate Fruit

1.2.1. raspberry

1.2.2. develops from more than one carpel that fuse together to form the entire fruits

1.2.3. all are in same flower

1.3. Multiple / Composite Fruit

1.3.1. develops from a cluster of flower called an inflorescence

1.3.2. flower fuse together to form the fruits

1.3.3. pineapple

1.4. Accessory fruits

1.4.1. occasionally called false fruits or pseudo fruits or pseudocarp

1.4.2. develops from a ripened ovary or ovaries but also has tissue derived from part of the plants outside the ovary

1.4.3. some of the flesh is derived not from the ovary

1.4.4. formed from another part of the flower, such as the receptacle (strawberry) or hypanthium (aples and pears)

1.5. Partenocarpy fruits

1.5.1. development of fruits without fertilization

1.5.2. fruits resembles a normally produces fruit but is seddles

1.5.3. pineapple, banana, cucumber, grape, orange, grapefruits