Yuca root, Cassava, Manihot, Tapioca, Manioc. A tropical root vegetable, grown as a shrub in temperate zones of Asia, Africa, the Caribbean, and South America, that is harvested for its root and leaves. High in starch, it is a plant that contains low levels of protein in the root and high levels in the green leaves. At times, it is mistakenly referred to as Yucca, which is a non-edible plant from the Agave plant family. Read more: Yuca root, Cassava, Manihot, Tapioca... Food and Beauty Yuca Fries Recipe: Food from your garden