Clippix ETC: An online picture service of Florida's Educational Technology Clearinghouse

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Spines, Thorns, & Prickles

A total of 30 photos of spines, thorns, and prickles are included in this gallery. Spines are modified leaves, thorns are modified stems, and prickles are extensions of the epidermis. Spines, thorns, and leaves are all pointed parts of plants that can often inflict damage if pressure is applied against them.