Clammy Weed
Polanisia dodecandra
Desert Caper Tree
Atamisquea emarginata
Annual of mid summer to autumn frequently in deep sandy soils of washes. Seeds in elongate pods. Detailed Description
A very rare tree in Arizona, found only at Organ Pipe Cactus National Monument. Small, leathery leaves. Detailed Description
Bladderpod Spider-flower
Cleome isomeris
Jackass Clover
Wislizenia refracta
A Mojave Desert shrub found in portions of the Sonoran Desert in California and far w. Arizona (Colorado Desert). Flowering in spring giving rise to inflated pods. Detailed Description
The trifoliate leaves resemble clover until they are crushed and emit pungent scents. Long yellow filaments and stamens are exserted from four petaled flowers. Detailed Description