Root System
► It is the “Underground part of the plant “, originates from the radicle of the germinating seed
► Dicot plants mostly have a tap root system
► Tap root system also called main root or primary root
► Secondary roots develop from primary roots
► Tertiary roots develop from secondary roots
► Root caps present in a apex part of tertiary roots
Major Functions of Root
❍ Fixing a plant in soil
❍ To hold soil particles.
❍ Absorption of water and mineral salts.
❍ Sometimes Storage Organ
Shoot System
►Stem is the aerial part of the plant. It bears branches,leaves,flowers and fruit.
► Bears Nodes and internodes
► Leaves rise from nodes
Major Functions of The Stem
❍ It conducts water, minerals and photosynthesis
❍ Some stems performs the function of storage food, support, protection and vegetative propagation
Reproductive Parts
► The flower is the reproductive part of plant
► The stalk of the flower is called pedicel and the swollen part is called thalamus.
► Typical Complete flower consists of Calyx.\, Corolla, Androecium, Gynaecium
► Incomplete flower is some floral parts as sepal or petals are absent
Four Major Parts Of Flower
❍ Calyx – The outer most whorl composed of ‘sepals’
❍ Corolla – The second whorl consisting of ‘petals’
❍ Androecium – The third whorl composed of ‘stamens‘
❍ Gynoecium - The innermost whorl made up Of ‘carpels’
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