Dithyrea californica

I've only seen this species at Mohawk Dunes east of Yuma, Arizona. This genus is closely related to Dimorphocarpa, some members of which were previously placed in Dithyrea.

Whole plant at Mohawk Dunes, 2/27/05.

Flowers at Mohawk Dunes, 2/27/05.

Immature fruit at Mohawk Dunes, 2/27/05.