Task: Explanation
Input (English): Stachys is one of the largest genera in the flowering plant family Lamiaceae. Estimates of the number of species in the genus vary from about 300, to about 450. The type species for the genus is "Stachys sylvatica". "Stachys" is in the subfamily Lamioideae. Generic limits and relationships in this subfamily are poorly known. Question: Which plant has more species, Stachys or Brabejum? Answer: Stachys
Output (English): Stachys is one of the largest genera in the flowering plant family Lamiaceae.