Tag Archives: Spines

Thorns, spines, and prickles represent growths from the stem, leaf, fruit, or root that are sharp and woody at maturity. Thorns and spines are modification of existing organs such as stems, leaves or stipules. Prickles or emergences are outgrowths derived from epidermal and sub epidermal layers in locations other than nodes (where stems, leaves orContinue reading “The Purpose of Different Shaped Horns”