The green joints, reach up to 2 inches in length and have no spines but multiple large areoles while brownish-red or chocolate brown glochids cover the surface. In summer the large yellow or orange-yellow flowers are borne singly and then […]
Opuntia ritteri ( Ritteri Cactus )
The oval, pale green pubescent joints and have upward directed yellowish spines extending from close set areoles. In summer the large pale red flowers are borne singly and then produce fruit. This genus has the largest membership of sun loving […]
Opuntia repens ( Repens Opuntia )
This fleshy padded, branching stemmed, mat-forming green cactus has barbed spines and bristled tufts guarding its body. In the summer the flowers are borne singly on the edge of the pad, stem tips and then produce often edible fruit. This […]
Opuntia quipa ( Quipa Cactus )
The small, thick, oval, flattened, dull or reddish green joints have prominent spineless areoles, and glochids cover the surface. In summer the large flowers are red on the exterior and yellowish-pink on the interior and have erect brushlike stamens. This […]
Opuntia pusilla ( Pusilla Cactus )
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 […]