👉 Delthyrium is a type of plant found in the tropical forests and deserts of South America. It is also known as the "peanut tree" or "chocolate tree." Delthyrium is a genus of flowering plants, which includes about 100 species, native to North and Central America. These plants are commonly referred to as "sweet potato" due to their sweet, creamy interior, which can be used in desserts such as chocolate and ice cream.