Daniel.. acanthus verigata or bears breeches .Acanthus means bract, which are modified leaves that are often more colorful than the actual flowers. They help to attract pollinators. The botanical name for Bear's Breeches comes from the thorny look of their purple bracts and leaves when dried for dried floral arrangements can be very spiny with stickers on the ends of leaves and bracts . Like stickers or spines on cactus. They are very vicious referring to the many sharp sticks on hands and fingers when handling the stems . Like picking out a prickly pear commonly called opuntia cactus.