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Organ pipe cactus
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Old man cactus.
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This one reminds me of a kaleidoscope
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Teddy bear cholla.
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Cacti usually bloom in spring, this was a nice surprise.
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Aloe dorotheae, from Tanzania.
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Lithops, also called living stones.
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Palo verde: the trunk contains chlorophyll.
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Close-up of the Boojum tree.
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