The flowers open, one or two at a time, on curled branches. The leaves and stems are bristly with hairs. Viper's bugloss was introduced from Europe in colonial times.
- Family: borage (Boraginaceae)
- Habitat: fields, roadsides, waste places
- Height: 12-30 inches
- Flower size: 3/4 inch across
- Flower color: blue
- Flowering time: June to September
- Origin: Europe