List of Plants By Common Name (Sonoran Desert) - O

O

• (- 1 -) LCRV-Ocotillo - Fouquieria

• Ocotillo - Fouquieria splendens
  • Boojum tree - Fouquieria columnaris

• Octopus agave - Agave vilmoriniana
• Old Man - Threadleaf Groundsel

• Opuntia - "Cholla cacti"
• Opuntia - "Prickly Pear Cacti"
• Opuntia - Opuntia

• Beavertail Cactus - Opuntia basilaris
• Cane Cholla - Opuntia imbricata
• Jumping Cholla - Opuntia fulgida
• Teddy-bear Cholla - Opuntia bigelovii

• Orange Caltrop - Arizona Caltrop
• Oreja de perro - Shrubby Coldenia
• (- 2 -) Organ Pipe Cactus - Stenocereus thurberi