Homology (biology) - Plants

Plants

Modifications of primary leaves, stems, and roots occur in many higher plants.

Examples:

Primary organs Defensive structures Storage structures
Leaves Spines swollen leaves as in succulents
Stems Thorns tubers such as the potato, rhizomes such as ginger, and the fleshy stems of cacti.
Roots - carrot, and root tubers such as sweet potatoes

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