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August 1, 2026Short & citedBlog
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Field Notes • Agriculture

Potato

A potato is the starchy edible tuber of the plant *Solanum tuberosum*, which belongs to the nightshade family.

Updated August 1, 20261 min readCited sources

A potato is the starchy edible tuber of the plant Solanum tuberosum, which belongs to the nightshade family. It is one of the world's major food crops, eaten in many forms including boiled, baked, mashed, and fried.

What it is

The cultivated potato is Solanum tuberosum, a plant in the nightshade family. It originated in the Andean region of South America and was domesticated there long before becoming a global crop.

Why it matters

Potatoes are eaten as a vegetable and processed into products like flour and starch. They are used worldwide in dishes such as mashed, roasted, fried, or baked potatoes.

Key details

Potatoes provide carbohydrates, vitamin C, and potassium, but healthfulness depends on preparation. They are grown from seed tubers in loose, well-drained soil, planted in cool weather and harvested after foliage dies back.

In short

  • Potatoes are underground stem tubers, not true roots.
  • They are a staple food in many countries and a major global crop.
  • Green parts, sprouts, and leaves contain toxic glycoalkaloids and should not be eaten.
  • Potatoes can be prepared in many ways, including boiling, baking, mashing, roasting, and frying.
Canadian angle

Potatoes are an important crop and food staple in Canada, with major production in provinces such as Prince Edward Island, Alberta, Manitoba, and New Brunswick. They are a common ingredient in Canadian diets and food processing.

Quick questions

What is a potato?
A potato is the starchy edible tuber of Solanum tuberosum, a plant in the nightshade family. The tuber grows underground and is widely eaten as a vegetable.
How many calories are in a potato?
Calories vary by size and preparation. A reference amount of 100 g of boiled potato with skin has about 87 calories, while baking, frying, or adding toppings changes the total.
What are the different types of potatoes?
Common categories include starchy potatoes, waxy potatoes, and all-purpose potatoes. Examples often include russet, red, yellow, and fingerling potatoes, which differ in texture and cooking use.

Sources

  1. Encyclopaedia Britannicahttps://www.britannica.com/plant/potato
    Supports: Scientific name, family, native range, crop status, and uses.
  2. Merriam-Websterhttps://www.merriam-webster.com/dictionary/potato
    Supports: Definition as the edible tuber of Solanum tuberosum and common alternate names.
  3. Wikipediahttps://en.wikipedia.org/wiki/Potato
    Supports: Reference nutrition values, tuber description, and glycoalkaloid toxicity context.
  4. Study.comhttps://study.com/academy/lesson/potato-overview-origin-examples.html
    Supports: Basic cultivation description, nutrition overview, and health notes.
  5. Cambridge Dictionaryhttps://dictionary.cambridge.org/dictionary/english/potato
    Supports: General description of the potato as a vegetable that grows underground.