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Cactus
Close up of the spikes, thorns on the prickly pear cactus.
Macro shot of exotic cactus with long sharp needles
Cactus close-up.
They are produced from specialized structures called areoles.
Cactus in Marrakech,Morocco.
A type of plant that grows in hot dry climates.  They have thorns or spines rather than leaves.
Close up picture of cactus blooming flowers in Tenerife Canary Islands
Cactaceae Cleistocactus baumannii, fresh grown, with spines.
Ontario, Canada.
Closeup of green cactus with blurred background.
A close-up photo of the Agave cactus
Detail of the Blue Myrtle Cactus (Myrtillocactus geometrizans)
Cactus
Cactus, a botanical study of nature
Close up picture of cactus blooming flowers in Tenerife Canary Islands
Cactus spike in the garden. Overhead view of a green spiny cactus. A green cactus close up with sharp white spikes in it and more cactus in the background in nature
Prickly cactus plant
Macro photography of cactus needles
Cactus from the famous ancient city Sassi Di Matera.
A Close Up of a Cactus or Cacti Succulent Green Spike Plant
Canarian Cactus
Many colorful flowers in the forest.
Succulent cactus plant detail close-up perfect for backgrounds.
photo taken in the cactus garden of Lanzarote
A macrophotography picture of a barrel cactus that grows in the desserts of the southwest USA
Cacti produce spines, always from areoles, which are structures unique to cacti. Areoles typically appear as woolly or hairy areas on the stems from which spines emerge.
Green succulent plants
Pattern to texture of cactus in closeup.
Cactus covered in defensive spikes
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