The term 'Bitter Plant' can be broken down into two crossword solutions: Aloe (4 letters) and Wormwood (8 letters). Aloe is a succulent plant species that is native to Africa, Madagascar, and the Arabian Peninsula. It is widely used in herbal medicine and is known for its healing properties. Wormwood is a perennial herb native to Europe, North Africa, and temperate Asia. It has a bitter taste and is used to make absinthe, an alcoholic beverage.