Spilanthes oleracea, a flowering herb in the plant family Asteracaea is also known as toothache plant or paracress. More interestingly its other name is the peek-a-boo plant because the flowers are round yellow balls with a red ‘eye’ on top.
Spilanthes has attractive bronzy, dark green leaves which are not only edible but have also been used in traditional medicine for many centuries.
Adults: 20 drops twice daily, in a little water.