To reveal the antecedent's mystery



Sweet potato was from the tropic which was taken back to Spain from the Central America and the Northern America in the early days, and spreads to Manila and Malaysia archipelago by Spaniard and Portuguese . In China, a trader whose name was Zhen-Long Chen took the seeds of the sweet potato to China from Luson to Fujian in 1594 (the Ming dynasty). After that, they broadcasted it to Japan and Kagoshima ......etc. via Okinawa.

Sweet potato is not only the most important crops for the animal’s feedstuff but also for the food and the source of the industry in the tropic and the sub-tropic. Its grow area is very wide and broad which includes the 40 S. latitude to 40 N. latitude and even 2,000 meters high. The producing areas are estimated approximately 1500 million acres in the world and the annual producing yields are 130 million tons. In Taiwan, the highest producing area was in 1954 which can achieve 247 million acres and the annual yields were 2.50 million metric tons. After that, it becomes less and less to plant until 1980 which achieved the most lowest point ( about 11,729 tons). Because of the consumer likes to eat Sweet potato, so there are more and more people to plant it so the planting areas are gradually increase to 1.2 million acres in 1996 .

Chinese trader Zhen-Long Chen took the seeds of the sweet potato to China from Luson to Fujian

Chinese trader Zhen-Long Chen took the seeds of the sweet potato to China from Luson to Fujian


The primary cultivated production location of Taiwan is in Chia-nan plain

The primary cultivated production location of Taiwan is in Jia-nan plain

The environment of higher temperature is more adaptative to plant sweet potato. So people therefore widespread cultivate it in the tropics, subtropics, and temperate zone .They seeded sweet potato in the field or let it be grew like vine and put the stem alone with the cutting. Sweet potato mainly distributes cultivated in the Central and Southern Taiwan. And it is the second important crops for food besides rice. The primary location of production is in the Jia-nan plain whose main production period is in fall, 41%, the second is in summer ,29%,the third is in spring,17%, the last is in winter,13%,and all of the sweet potatoes are made for food and food processing.

The sweet potato is belongs to the plant of Convolvulaceae whose stem is long, crawls on the ground, but it also has the shape of cluster and middle shape. Leaf blade is heart-shaped and its color is green or purple red. The flower whose color in white to light red is the funnel shape, the root is gradually fat into a root tuber, the sphere shape, the short spindle shape, the long spindle shape and so on, and the color of the skin has white, yellow, brown, red, purplish red and mixed. The flesh is white, yellowish white, yellow or the orange yellow.

Sweet potato belongs to the plant of Convolvulaceae

Sweet potato belongs to the plant of Convolvulaceae



The root tuber stores abundant starch, approximately 18-25%, and it also contains vitamin A and C. Therefore, it is one of the most important food crops and good for food processing,In industry, sweet potato can also be made for alcohol. The potato chips are made for feedstuff and the leaves which have abundant protein can feed pigs directly. Due to its high nutrition, the sweet potato may be cooked as many kinds of delicious foods by steaming, boiling, roasting, frying and so on. It contains lots of carotene and low calories. By eating proper amounts of sweet potatoes with fruits and wheat-made staple foods, it helps to get nutrition balance very much.


Sweet potato small encyclopedia

Chinese name

Sweet potato (Convolvulaceae)


sweet potato

English name

Sweet Potato

Systematic nam

Ipomoea batatas (L.) Lam.


South America tropics


Vine herb


The root tuber may supply edible


  The important characteristic of Convolvulaceae

Dicotyledon is distributed in the tropics and temperate zone and produced everywhere in China. Sweet potato and water celery are the most important plants for economy in this family. Some of the types cultivated for green fence or awning. In this family, it could be grass or woodiness liana plants, and usually has latex, leave growth by each other, without any stipule , a simple leaf, whole brink or cleavage , actinomorphic flower , amphoteric plant , capsule.