Alternate name: Bicolored Fan-mustard
Family: Brassicaceae, Mustard view all from this family
Description A grayish, hairy plant with clumps of leafy branched stems and racemes of white or lavender flowers at branch ends.
Habit: native perennial subshrub or herb.
Height: 4-24 in (10-60 cm)
Leaf: obovate to spatulate to oblanceolate, 0.4-1.75 in (10-45 mm) long, 0.3-1 in (7-25 mm) wide.
Flower: white or pale pink or pale lavender or a mixture, 0.75-1.25 in (18-32 mm) wide, 4-parted, with 4 obovate petals around a yellow-green eye; held in loose terminal cluster to 14 in (35 cm) long.
Fruit: thin flat pod, 0.6-1.6 in (15-40 mm) long, to 1/8 in (3 mm) thick; held upright on thin stalks.
Flower Year-round, mostly February to September.
Habitat Gravelly , rocky, limestone soil; deserts, arid grasslands, clay flats, gypseous clay, gravelly knolls, hillsides, sandy washes; 650-4300 ft (200-1300 m).
Range Native to the Chihuahuan, Sonoran, Mojave, and the Great Basin Deserts; southwestern New Mexico, western Texas, and northern Mexico.
Discussion Also known as bicolor mustard, bicolor fan mustard, mesa greggia, velvety greggia, fragrant evening primrose. This a common mustard species of mustard in west Texas.