Neil Lucas / Boojum tree (Fouquieria columnaris) Catavina, Baja, Mexico
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Jack Dykinga / Ocotillo cactus (Fouquieria splendens) in desert landscape strewn with rod lava rock, Cabeza Prieta Mountains in the distance, dawn, Cabeza Prieta National Wildlife Refuge, Arizona, USA
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Neil Lucas / Boojum tree (Fouquieria columnaris) and Cardon cactus (Pachycereus pringlei) in desert, Baja, Mexico, May 2007
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Neil Lucas / Boojum tree (Fouquieria columnaris) Baja Mexico, May 2007
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Neil Lucas / Boojum tree (Fouquieria columnaris) and Cardon cactus (Pachycereus pringlei) in desert at sunset, Baja, Mexico, May 2007
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Neil Lucas / Boojum tree (Fouquieria columnaris) and Cardon cactus (Pachycereus pringlei) in desert at sunset, Baja, Mexico, May 2007
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Neil Lucas / Boojum tree (Fouquieria columnaris) at sunset, Baja Mexico, May 2007
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Doug Wechsler / Ocotillo plant {Fouquieria splendens} in leaf and flower following the rains, Organ Pipe cactus NM, Arizona, USA
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Jack Dykinga / Senita cactus (Pachycereus schottii) and Boojum (Fouquieria columnaris) amongst granite boulders at sunset. Central Desert, Baja California, Mexico
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Jack Dykinga / Ocotillos (Fouquieria splendens) after summer rains, amongst Velvet-pod mimosa (Mimosa dysocarpa) in the grassy foothills of the Atascosa Mountains, Coronado National Forest, Arizona
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Nigel Bean / Ocotillo plant {Fouquieria splendens} in leaf following the rains, Sonoran desert, Arizona, USA
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Nigel Bean / Ocotillo plant {Fouquieria splendens} in leaf following the rains, Sonoran desert, Arizona, USA
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Steven Kazlowski / Boojum trees (Fouquieria columnaris) in the desert on the Baja California Peninsula, Mexico
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Philippe Clement / Ocotillo (Fouquieria splendens) flowers and thorns. Organ Pipe Cactus National Monument, Arizona, USA.
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Philippe Clement / Ocotillo (Fouquieria splendens) in flower. Organ Pipe Cactus National Monument, Arizona, USA
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Philippe Clement / Ocotillo (Fouquieria splendens) in flower. Organ Pipe Cactus National Monument, Arizona, USA
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Philippe Clement / Ocotillo (Fouquieria splendens) in flower. Organ Pipe Cactus National Monument, Arizona, USA
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Philippe Clement / Ocotillo {Fouquieria splendens} in bloom and Saguaro cactus {Carnegiea gigantea}, Organ Pipe Cactus National Monument, Arizona, USA
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Jack Dykinga / Close-up of colourful leaves and spines of an Ocotillo (Fouguieria splendens), leaves turn red in dry season after the wet season, Tinajas Atlas Mountains, Goldwater Range, Arizona
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Jack Dykinga / Ocotillos (Fouquieria splendens) established on the Pincata Lava flow, dawn, Cabeza Prieta National Wildlife Reserve, Arizona
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Jack Dykinga / Flowering Ocotillo (Fouquieria splendens) at sunrise, Cabeza Prieta Mountains, Cabeza Prieta National Wildelife Refuge, Arizona
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Jack Dykinga / Boojum tree {Fouquieria / Idria columnaris} flowering in front of Cardon cactus {Pachycereus pringlei} Catavinia, Baja California, Mexico
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Rob Tilley / Ocotillo / Coachwhip / Jacob's Staff in flower (Fouquieria splendens) against the sky, Sonora Desert Museum, Tucson, Arizona, USA
