1、 Different stems
The stem length of sweet potato varies according to different varieties. It is divided into long vine varieties with a length of 2 to 3 meters, medium vine varieties with a length of 1 to 3 meters, and short vine varieties with a length of less than 1 meter. The color of the stem can be divided into green, Brown, purple, etc p>
The stem length of sweet potato is 0.7 to 7 meters, and the length span is large. The color of the stem includes pure green, brown green, purple green and full purple, and there is hairy distribution on the surface p>
2、 Different blades
Sweet potato leaves have various shapes, including heart, triangle or palm shape. Generally, the length and width will not exceed 10 cm, but there are also particularly large ones, with a length of 15 cm and a width of 17 cm. The color of leaf veins is divided into light red, red, purple, light purple and green p>
In addition to the former, sweet potato has all the shapes of heart, triangle or palm, as well as kidney shape. The color of leaf veins includes green, green band purple, purple and so on p>