5 fused petals and 5 fused sepals. Pistil and stamens hidden inside the the corolla tube, not visible from outside. 4 stamens biseriate. Leaves are simple and pubescent.
Herb on rocky outcrop on Catalina. Linear opposite leaves. Leaves, stems, sepals are pubescent. 5 separate petals, 5 separate sepals, 10 stamens.
Sandy soil. Sympatric with Cryptantha. There appears to be a Chylismia claviformis in the background of picture #3.
Adjacent to off ramp. Sympatric with creosote, fiddlenecks, Brassica, and Eriogonum. Gravelly, sandy substrate.
Sandy, gravel soil. Compound leaves with three obovate leaflets. Flowers tetramerous.