Prickles are derived from the epidermis of the plant, whereas true thorns are modified stems. Rose prickles defend the plant from herbivores and help the plant support itself on surrounding objects.
6 个月on MSN
But to botanists, there is no rose with thorns: The spiky outgrowths of a rose stem are called "prickles," and are ...
RAF St Mawgan became an official release site for Prickles and Paws Rescue over four years ago and injured hedgehogs and hoglets from all over the county have been released at the site after they ...
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