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 |
Read more about this topic: Homology (biology)
Famous quotes containing the word plants:
“The holly and the ivy
Are plants that are well known
Of all the trees that grow in the woods
The holly bears the crown.”
—Unknown. The Holly and the Ivy (l. 14)
“From the time the Englishmans bones harden into bones at all, he makes his skeleton a flagstaff, and he early plants his feet like one who is to walk the world and the decks of all the seas.”
—Willa Cather (18761947)
“He who plants a tree
Plants a hope.”
—Lucy Larcom (18261893)