[wildflower.org] Characteristics, Bloom Info, Distribution: Plant Characteristics Duration: Annual , Perennial Habit: Herb , Subshrub Fruit Type: Silique Size Notes: Up to about 2 feet tall. Bloom Information Bloom Color: White , Purple Bloom Time: May , Jun , Jul Bloom Notes: Sepals purple. Petals whitish, some with purple spots or veins. Distribution USA: CA Native Habitat: Serpentine barrens in chaparral, pine-oak or cypress woodland openings. (link added by Mary Ann Machi)