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Prickly Pear Cactus

Prickly Pear Cactus
Information sur la photo
Copyright: Julie Wyatt (j_wyatt) Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 142 W: 40 N: 211] (1235)
Genre: Plants
Média: Couleur
Date de prise de vue: 2003-12-24
Catégories: Cacti
Appareil photographique: Canon Powershot G2
Exposition: f/4, 1/403 secondes
Versions: version originale
Thème(s): Cacti and deserts [view contributor(s)]
Date de soumission: 2005-01-24 23:30
Vue: 5410
Points: 0
[Ligne directrice - Note] Note du photographe
We found this nice Prickly Pear Cactus in the Gila Cliff Dwellings National Monument near Silver City NM. The elevation is about 8000 ft. and it was the end of December, but the Prickly Pear didn't seem to mind.

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.

Prickly pear cactus are found in all of the deserts of the American Southwest, with different species having adapted to different locale and elevation ranges. Most require course, well-drained soil in dry, rocky flats or slopes. But some prefer mountain pinyon/juniper forests, while others require steep, rocky slopes in mountain foothills.

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