Early Morning Ramble: Scenes from a walk in Pima Canyon, in the South Mountain Preserve, Phoenix, Arizona. Please click any photo in the set for enlarged views.

1. Sunrise over Tempe.

2. Creosote bush (Larrea tridentata) and buckhorn cholla cactus (Cylindropuntia acanthocarpa).

3. Saguaro (Carnegia gigantea) and foothills paloverde (Parkinsonia microphylla) on the hillside.

4. Paloverde blossoms.

5. Hohokam petroglyph panel on the trailside.

6. Tamarisk (Tamarix sp., probably T. chinensis).

7. Pima wash.