I'm learning about derert plants in Science. I'm going to write about my favorite ones & add photos to show their beauty.
The Saguaro often begins life in the shelter of a nurse tree or shrub. The Saguaro grows slowly, about an inch a year, but they grow to a great height, 15 to 50 feet! 
The Arizona Poppy's stems and leafs are hairy. Hairs can be white or yellowish. Elliptical leaves are one-third to an inch long and grow in pairs of four to ten per stem! The Arizona Poppy is common to flat, sandy grasslands from sea-level to 6,000 feet.
Cave Primrose's are perennial. The leaves are 3/4-8 long. From the basal cluster of the leaves a 2-11" long leafless, flowering stalk arises and bears a cluster of flowers.
Dogbane have thin reddish stems, they arise from the ground in spindly clusters to three feet tall. When cut or broken, the stems ooze a milky latex, similar to the milkweed family. Leaves arise either opposite or whorled pattern.
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