 erysimum franciscanum, commonly known as the franciscan wallflower or san francisco wallflower, is a plant endemic to the northern california coast, from sonoma to santa cruz counties. it is a member of the wallflower genus in the mustard family, the brassicaceae. the plant is a biennial or short-lived perennial.jepson manual treatmentdwyer, d. the biogeography of the san francisco wallflower the flowers are cream-colored to yellow, with four sepals and four petals arranged in a cross shape, as is characteristic of the brassicaceae.national park service: san francisco presidio it flowers from late winter to late spring.california native plant society the plant prefers open scrubby areas with a fair amount of sunlight, but can flourish on a range of soils including disintegrating serpentine, gravelly and sandy soils.the nature conservancy it is fairly easily cultivated in gardens. although not formally recognized as endangered, the franciscan wallflower has a limited, discontinuous distribution. it is monitored at the presidio of san francisco, which was also its type locality. the plant is propagated in a nursery there and then planted in its native habitat. ==see also== *california coastal sage and chaparral ecoregion ==references==  == external links ==  *jepson manual treatment for erysimum franciscanum *usda plants profile: erysimum franciscanum *erysimum franciscanum - u.c. photo gallery 
Endemic_flora_of_California Erysimum Flora_of_California Natural_history_of_the_California_Coast_Ranges NatureServe_Vulnerable_species Vulnerable_flora_of_California