Alaric reveals he knows even more about vampires as he uses vervain and fools Damon when Damon tries to compel him.
- Spike of Vervain (Verbena officinalis), showing sessile flowers on a common rachis.
Some bitters widely used in traditional medicine in North America include yarrow, yellow dock, goldenseal, Oregon grape, and vervain.
If the pedicels are very short or wanting, so that the flowers are sessile, a spike is produced, as in Plantago and vervain (Verbena officinalis) (fig.
Creeping Vervain (Zapania) - Z. nodiflora is a pretty, spreading trailer, with prostrate stems 2 or 3 feet in length, which late in summer bear small round heads of little purplish flowers.