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Prickly pear

Prickly pear is a common name for several species of flat-stemmed cacti in the genus Opuntia, in the cactus family Cactaceae.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Prickly pear is a common name for several species of flat-stemmed cacti in the genus Opuntia, family Cactaceae. Native to the Western Hemisphere, these plants are known for their edible pads (nopales) and fruits (tunas). The term is also used broadly for the cacti and their fruit in food, horticulture, and regional common usage.

Taxonomy and naming

Prickly pear is not a single species but a common name applied to many Opuntia species. Related common names include cactus pear, nopal, and Indian fig. The genus contains about 150 species.

Description

Prickly pears are succulent cacti with flat, jointed pads. They are often armed with spines and barbed bristles called glochids. The plants produce a Flower and fleshy fruits that are often red, purple, or yellow depending on the species.

Distribution and habitat

Prickly pear cacti are native to the Americas and are especially common in western North America and Mexico. They grow in dry habitats such as washes, rocky slopes, and sandy or gravelly soils.

Uses

The pads and fruits of many prickly pear species are edible and have long been used in Indigenous, Mexican, and other cuisines. The pads are eaten as nopales and the fruits as tunas. The fruit is used in juices, jams, jellies, and vegetable dishes, similar to Raspberry and Cherry. The plants are also grown ornamentally and in some regions are considered invasive or weedy.

Canadian relevance

Some prickly pear species occur in Canada, especially cold-tolerant forms such as eastern prickly pear. This makes the group relevant to Canadian wild flora, horticulture, and invasive-species discussions.

Key facts

  • Prickly pear is a common name for species in the genus Opuntia.
  • The plants have flat, fleshy pads and often bear spines and glochids.
  • The fruits are called tunas and the pads are called nopales.
  • Many species are native to arid and semi-arid regions of the Americas.
  • Some species are cultivated as food plants and ornamental plants.
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Canadian context

Some prickly pear species, especially eastern prickly pear, grow in Ontario, making the group relevant to Canadian native plants and regional biodiversity.

Frequently asked questions

Is prickly pear a fruit or a cactus?
It is the common name for a cactus in the genus Opuntia, and also for its edible fruit.
What parts of prickly pear are edible?
The pads are eaten as nopales and the fruits are eaten as tunas or cactus pears.
Where do prickly pear cacti grow naturally?
They are native to the Americas, especially arid and semi-arid regions of North America, Mexico, and parts of South America.
How many prickly pear species are there?
There are about 150 species in the genus Opuntia.
Are prickly pears found in Canada?
Yes. Some cold-tolerant species, including eastern prickly pear, occur in Ontario.
Why are they called prickly pears?
The name refers to the spiny cactus and its pear-shaped fruit.

References

  1. Desert Museumhttps://www.desertmuseum.org/kids/oz/long-fact-sheets/Prickley%20Pear.php
    Supports: Habitat, range in the desert southwest, fruit called tuna, Texas state cactus.
  2. UF/IFAS Gardening Solutionshttps://gardeningsolutions.ifas.ufl.edu/plants/ornamentals/prickly-pear/
    Supports: Opuntia genus, native range in the Americas, edible pads and fruits.
  3. Britannicahttps://www.britannica.com/plant/prickly-pear
    Supports: Definition as Opuntia species, family Cactaceae, native range, cultivated species.
  4. USDA Forest Servicehttps://www.fs.usda.gov/wildflowers/plant-of-the-week/opuntia_humifusa.shtml
    Supports: Species range, eastern prickly pear in Ontario, genus species count context.
  5. National Park Servicehttps://www.nps.gov/articles/000/plains-prickly-pear.htm
    Supports: Edible pads and fruits, uses in food and traditional applications.
  6. Royal Botanic Gardens, Kewhttps://www.kew.org/plants/prickly-pear
    Supports: Over 150 prickly pear species found worldwide.