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
Thorns
tubers, corms and prickles (like a rose has)
A rose spike is commonly referred to as a "thorn." Thorns are the sharp, pointed structures that grow along the stems of rose plants, serving as a defense mechanism against herbivores. While often mistakenly called "prickles," true thorns are modified branches or stems, whereas prickles are outgrowths of the epidermis.
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.
prickles is in the potties
Prickles and thorns are both types of plant structures that serve as defenses against herbivores, but they differ in their origin and structure. Prickles are outgrowths of the epidermis or outer layers of the plant, like those found on rose stems. Thorns, on the other hand, are modified branches or stems that can be found in plants like hawthorn. Essentially, prickles are superficial, while thorns are more deeply embedded in the plant's structure.
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porcupine
purple
Protecting themselves.
prickles adhere to animals as a mode of transportation seeds like to move and grow up in different places.
The cast of Prickles - 2011 includes: Lauren Bahr as Hettie Lucy Walters as Beth