Caput baroniae is the seat of an English feudal barony. (Baronia, nominative case of a feminine Latin noun, is correctly baroniae in the genitive.). Caput is also used in medicine to describe any head like protuberance on an organ or structure, such as the caput humeri.
To my surprise, it is even a cure for damp and heat arthritis. The thought of mung bean as a cause of arthritis is an old myth and total lie since scientific community already solved the answer.
Munggo or Mung bean (or even green bean to some) is a seed of Vigna radiata, a plant native to India and Pakistan. Since the plant originated in Asia, it was easy to spread along the nearby countries. This seed became a hit when it reached the Philippines.