This section is from the book "Field Book Of Western Wild Flowers", by Margaret Armstrong. Also available from Amazon: Field Book Of Western Wild Flowers.
From three to six feet tall, resembling Cholla, with long, cylindrical joints and whitish spines. The pretty flowers are about two inches long, with orange-yellow petals and an ivory-white pistil. The fruits are spiny and become dry when ripe. This grows in the desert around Needles.

Opuntia acanthocarpa. CACTUS FAMILY. Cactaceae.
 
Continue to: