Bifid hemp-nettle can be distinguished from hemp-nettle by the notch in its lower petal. In addition, bifid hemp-nettle usually has pink flowers, while North American populations of hemp-nettle usually have white flowers.
- Synonyms: Galeopsis tetrahit var. bifida (Boenn.) Lej. & Court.
- Family: mint (Lamiaceae)
- Habitat: roadsides, waste places
- Height: 1 to 2-1/2 feet
- Flower size: 1/4 inch across
- Flower color: pale pink with magenta markings
- Flowering time: June to September
- Origin: Europe