”They`re there, they`re nasty and that`s what you have to put up with,” Jim Fizzell says of the prickly thorns that accompany every stem of home gardeners` favorite plants–the rose. Fizzell, ...
''Why do plants have thorns?'' is an easy question: The thorns help protect against hungry animals that like to munch on the plants. ''Where do thorns come from?'' is a more complicated question -- ...
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