Odontites vernus
Name: Odontites is derived from Greek and means 'tooth-related'.
English: Red bartsia.
Region: Europe, Asia, alien in North America.
Habitat: low-fertility soils, dry conditions and full sun light.
Use: toothaches.
Botany: herb; parasite on the roots of grasses; flowers pinkish and red; flowering from June to September; pollinated by bees and wasps