Alyssum desertorum

Family: Brassicaceae
Common Name: desert madwort
Symbol: ALDE
Description: Annuals; Glabrous; canescent throughout except fruit. Stems simple or few to several from base, erect, ascending, or decumbent, (0.2-)0.5-1.8(-2.8) dm. Cauline leaves subsessile; blade linear to oblanceolate-linear, (0.3-)0.5-2.5(-3) cm - (0.5-)1-3(-4) mm (gradually smaller distally). Fruits orbicular, 2.5-4(-4.5) mm diam., apex shallowly emarginate, usually glabrous; ovules 2 per ovary; style 0.3-0.7 mm, glabrous.