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Thorns
Rose plants have prickles not thorns. Prickles are sharp pointed hairs that contain epidermal and subepidermal tissues. A thorn is a short, sharp modified stem. Roses use prickles to ward off predators which may help extend their life.
They hAVE tHORNS aND Prickles By : Bae Su Ji ( Suzy )
Thorns, spines (such as those on a cactus), and prickles are examples of protective structures of plants.
Some plants use thorns ,poison ,spines , prickles , latix, tanin , camouflage
prickles is in the potties
Rose plants probably developed thorns to protect the plant from predators or scavanging animals that may have wanted to eat it. We are talking hundreds of thousands if not millions of years ago
Some do, there are three types of "Thorne". Actual thorns, which is a modified branch; spines, which is a modified leaf, and is on most hollies. And prickles, Which are non vascular and are what you will find on most roses._
Different plants possess different large scale protective structures, but one protective structure that all plant cells share is the cell wall. The cell wall, composed of the carbohydrate cellulose surounds the cell membrane. It provides structural support to the cell inside as well as preventing the cell from bursting in a hypotonic environment where water diffuses into the cell.
The development of thorns and the symbiotic relationship between plants like the acaia tree with animals such as ants that protect them as their territory. Also some plants produce strong smelling oils to deter insects like the mint family and others develop secondary metabolites like nicotine, caffeine and opiates which they use as insecticides making insects sick or killing them
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A situation of easy living. The metaphorical roses apparently lack thorns (or, for the dreadfully correct, prickles). Usage is invariably in the negative, i.e., "NO bed of roses," communicating that the subject of the conversation faces struggle and difficulty.