The prostrate pale green, smooth, narrowly flattened joints have 1 or 2 awl shaped brownish to yellowish spines extending from wide spaced areoles. In the summer the large flowers are borne singly and then produce fruit. This genus has the […]
Opuntia pubescens ( Teen Cactus )
The deep green joints are cylindrical, 1 to 3 inches long, slightly warty, hairy, covered with slender brown, aging to grey, spines. In summer the bell-shaped, large yellow flowers are borne singly on the stem tips and then produce round […]
Opuntia prasina ( Prasina Cactus )
The oval, coppery green joints reach up to 10 inches in length and are spineless or have few. In summer the large orange-yellow flowers are borne singly and then produce fruit. This genus has the largest membership of sun loving […]
Opuntia pollardii ( Pollardii Cactus )
The obovate, bluish when young, sea green, powdery joints, reach up to 6 1/2 inches in length and have 1 stiff, thick spine of 1 inch extending from upper and marginal areoles while yellow glochids cover the surface. In summer […]
Opuntia pascoensis ( Pascoensis Cactus )
This green, upright, cactus grows to 12 feet in height and has hairy cylindrical joints to 5 inches in length. The 4 or more yellow spines reach up to 7/8 inch in length, guarding its body. In summer the bell-shaped, […]
Opuntia optuntia ( Optuntia Cactus )
The prostrate, broadly obovate, thick, glabrous joints, reach up to 4 inches wide and have 1 yellow spine in the upper greyish areoles of up to 1 inch long, while yellow glochids cover the surface. In summer the large, pale […]
Opuntia nashii ( Nashii Cactus )
The dull green, flat topped, cylindrical upright bush has side joints that are flat, oblong and slender. It is covered with gray spines extending 2 to 2 1/2 inches. In summer the bell-shaped, large red flowers are borne singly on […]
Opuntia millspaughii ( Rock Island Cactus )
This top branching, long, cylindrical green stemmed cactus has oblong side joints that grow up to 16 inches in length and 1 to 4 inches in width. The areoles have glochids of short, yellowish brown. In summer the bell-shaped, large […]
Opuntia macrorhiza ( Macrorhiza Cactus )
The green, oval stems reach up to 6 inches in length and have 2 to 4, yellow-white to ashy spines extending from upper areoles, while tufts of brown glochids cover the surface. In summer the large red flowers are borne […]
Opuntia macracantha ( Macracantha Cactus )
Heavily covered with long, thick, white spines the cylindrical green stem grows upright to 19 feet. In summer the bell-shaped, large orange-yellow flowers are borne singly on the stem tips and then produce fruit. This genus has the largest membership […]