close up of blue nightshade solanum umbelliferum wildflowers blooming in south san francisco bay area, california

america area background bay bloom blooming blossom blue blurred branch bright california close closeup color colored colorful copy delicate detail flora floral flower fragile francisco grass grassland green lilac macro native natural nature nightshade open pasture plant purple san season solanum south space spring stamen states umbelliferum united usa vegetation vine violet wild wildflower wildflowers witch yellow