Budding Prickly Pear Cactus

by Robert Bales

Title

Budding Prickly Pear Cactus

Artist

Robert Bales

Medium

Photograph - Photo

Description

Spring in the desert sure bring out many different types of cactus blooming.

Most prickly pear cactus have yellow, red or purple flowers, even among the same species.
Prickly pear cactus represent about a dozen species of the Opuntia genus (Family Cactaceae) in the North American deserts. All have flat, fleshy pads that look like large leaves. The pads are actually modified branches or stems that serve several functions -- water storage, photosynthesis and flower production. Chollas are also members of the Opuntia genus but have cylindrical, jointed stems rather than flat pads.
Like other cactus, most prickly pears and chollas have large spines -- actually modified leaves -- growing from tubercles -- small, wart-like projections -- on their stems. But members of the Opuntia genus are unique because of their clusters of fine, tiny, barbed spines called glochids. Found just above the cluster of regular spines, glochids are yellow or red in color and detach easily from the pads. Glochids are often difficult to see and more difficult to remove, once lodged in the skin.

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Uploaded

March 28th, 2017

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