Cassava is an upright shrub, with a height of about 1.5 to 3 meters. Its stem is smooth and upright, containing milk, and its root is cylindrical.
The length of sweet potato is 0.7 to 7 meters, with a large span. The exterior colors are pure green, brown green, purple green and all purple. There are hairs on the surface.
The shape of cassava leaves is nearly circular, and the petioles grow about 8 to 22 cm.
Sweet potato leaves have various shapes, including heart, triangle, palm and kidney. The length of petiole is about 6 to 23 cm.
Cassava calyx shorter, about 7 mm long, purple red color with a little white cream.
The calyx of sweet potato is longer, about 1 cm long, the color is light red or purple red, and the flower shape is like a trumpet flower.
