Avocados Contain More Potassium Than Bananas: Support Heart Health The avocado tree, also known as Persea americana, is a member of the laurel family and can grow between 30–40 feet tall. It has greenish-yellow flowers and produces a single-seeded berry known as the avocado. There are different types of avocados. Nutrition Facts Each avocado is rich in fiber, vitamin K, folate, vitamin C and potassium, along with a good amount of heart-healthy fats and minimal avocado carbs. According to study, about 136grams without the skin and seed contains the following: 227 calories 121 micrograms folate (30 percent DV) 12 milligrams vitamin C (20 percent DV) 0.4 milligrams vitamin B6 (20 percent DV)