Potato is actually starchy tuberous root crop. It is just like any other tuber crop. some people consider this as stem vegetable as well.Potato plants are herbaceous perennials that grow about 24 inch height, depending on variety, with the leaves dying back after flowering, fruiting and tuber formation.
https://www.quora.com/Is-a-potato-a-root-or-a-stem-vegetable
Believe it or not, the potato is actually a stem. The leaves of the potato plant (Solanum tu-berosum) manufacture starch, which is transferred through the plant to its underground stems, known as stolons. Starch collects at the end of the stolons, forming swollen sections called tubers. These are the potatoes.
https://www.quora.com/Is-a-potato-a-root-or-a-stem-vegetable
For other uses, see Spud (disambiguation). The potato is a starchy, tuberous crop from the perennial nightshade Solanum tuberosum. The word potato may refer either to the plant itself or to the edible tuber. In the Andes, where the species is indigenous, some other closely related species are cultivated.
https://en.wikipedia.org/wiki/Potato
(No offence, I really didn't get the question) Sweet potato contains starch and yes, it is a vegetable. Scientifically, any plant part which has a seed is a fruit, rest are vegetables. Views.
https://www.quora.com/Is-a-sweet-potato-considered-a-starch-or-a-vegetable-Why
Sweet potatoes, edible roots from the morning glory family, are considered vegetables. Sweet potatoes are a good source of fiber, have no fat, and are very high in vitamins A and C and potassium. Keep Learning.
https://www.reference.com/food/sweet-potato-vegetable-953316d79c28b872
Potatoes belong to the nightshade family Photo Credit Jupiterimages/Creatas/Getty Images. Potatoes are part of the nightshade family. This includes white, red, yellow and blue-skinned potato varieties. Sweet potatoes and yams are not nightshades, however, according to The Weston A. Price Foundation. If you have sensitivity to members of the nightshade family, You need to avoid foods made from potatoes, such potato salad, french fries and mashed potatoes.
http://www.livestrong.com/article/367949-list-of-nightshade-vegetables-fruits/
Text size. Q. Do root vegetables like sweet potatoes count as vegetables or starches, and is it true that all the nutrition is in the skins? A. Potatoes have fallen from grace in recent years, as health authorities have argued that starch-filled spuds shouldn’t be counted as a vegetable in the diet.
https://www.boston.com/lifestyle/food/articles/2011/05/02/do_root_vegetables_like_sweet_potatoes_count_as_vegetables_or_starches_and_is_it_true_that_all_the_nutrition_is_in_the_skins/
Sweet potatoes, edible roots from the morning glory family, are considered vegetables. Sweet potatoes are a good source of fiber, have no fat, and are very high in vitamins A and C and potassium. Continue Reading.
https://www.reference.com/food/sweet-potato-vegetable-953316d79c28b872
Sweet Potato. Sweet potato, Ipomoea batatas, is a tender, warm-weather vegetable that requires a long frost-free growing season to mature large, useful roots. Sweet potato is native to Central and South America.
http://extension.illinois.edu/veggies/sweetpotato.cfm
Antinoro says that most other root vegetables like carrots, beets, turnips, parsnips, and rutabagas have a lower starch content and caloric density than potatoes and sweet potatoes, and can be counted as vegetables rather than starches in your meals.
https://www.boston.com/lifestyle/food/articles/2011/05/02/do_root_vegetables_like_sweet_potatoes_count_as_vegetables_or_starches_and_is_it_true_that_all_the_nutrition_is_in_the_skins/
is a sweet potato a vegetable
Yes, sweet potato is a vegetable.