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Cactus vs. Succulent — What's the Difference?

By Fiza Rafique & Maham Liaqat — Updated on May 16, 2024
Cactus is a type of succulent with specialized adaptations like spines and a thickened stem for water storage, while succulents are a broad category of plants that store water in their leaves, stems, or roots to survive in arid conditions.
Cactus vs. Succulent — What's the Difference?

Difference Between Cactus and Succulent

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Key Differences

Cactus refers specifically to members of the Cactaceae family, characterized by their spiny stems, absence of leaves, and ability to store water in their thickened stems. Succulent is a broader term that encompasses a variety of plants from different families, all of which have developed the ability to store water in their leaves, stems, or roots.
While all cacti are succulents due to their water-storing capabilities, not all succulents are cacti. Succulents can have diverse forms and structures, some having thick leaves or rosettes, whereas cacti are typically recognized by their spiny, leafless appearance.
Cacti often have areoles, which are small, cushion-like structures from which spines, flowers, and branches grow. Succulents, on the other hand, do not have areoles but may have other distinguishing features such as fleshy leaves or unique growth patterns.

Comparison Chart

Definition

Specific family of spiny, water-storing plants
Broad category of water-storing plants

Family

Cactaceae
Various families, including Cactaceae
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Distinct Feature

Spines and areoles
Thick, fleshy leaves or stems

Native Region

Primarily the Americas
Various arid regions worldwide

Adaptation

Water storage in stems
Water storage in leaves, stems, or roots

Examples

Saguaro, prickly pear, barrel cactus
Aloe, agave, echeveria, jade plant

Compare with Definitions

Cactus

Member of the Cactaceae family with spines.
The saguaro cactus can live for over 150 years.

Succulent

Plant adapted to store water in leaves, stems, or roots.
Aloe vera is a popular succulent known for its medicinal properties.

Cactus

Native to the Americas.
Cacti are commonly found in deserts like the Sonoran Desert.

Succulent

Can have diverse forms and growth patterns.
Succulents can form rosettes, trailing vines, or upright structures.

Cactus

Stores water in thickened stems.
Barrel cacti swell during the rainy season to store water.

Succulent

Has thick, fleshy parts to retain water.
The agave plant has thick leaves that store water.

Cactus

Typically leafless with photosynthetic stems.
The cactus stem photosynthesizes in place of leaves.

Succulent

Full of juice or sap; juicy.

Cactus

A cactus (plural cacti, cactuses, or less commonly, cactus) is a member of the plant family Cactaceae, a family comprising about 127 genera with some 1750 known species of the order Caryophyllales. The word "cactus" derives, through Latin, from the Ancient Greek κάκτος, kaktos, a name originally used by Theophrastus for a spiny plant whose identity is now not certain.

Succulent

(Botany) Having thick, fleshy, water-storing leaves or stems.

Cactus

Any of numerous succulent, spiny, usually leafless plants of the family Cactaceae, native chiefly to arid regions of the Americas, having variously colored, often showy flowers with numerous stamens and petals.

Succulent

Highly interesting or enjoyable; delectable
A succulent bit of gossip.

Cactus

Any of several similar plants.

Succulent

A succulent plant, such as a sedum or cactus.

Cactus

(botany) Any member of the family Cactaceae, a family of flowering New World succulent plants suited to a hot, semi-desert climate.

Succulent

Juicy or lush.

Cactus

Any succulent plant with a thick fleshy stem bearing spines but no leaves, such as euphorbs.

Succulent

Luscious or delectable.

Cactus

Non-functional, broken, exhausted, dead.

Succulent

(botany) Having fleshy leaves or other tissues that store water.

Cactus

Any plant of the order Cactacæ, as the prickly pear and the night-blooming cereus. See Cereus. They usually have leafless stems and branches, often beset with clustered thorns, and are mostly natives of the warmer parts of America.

Succulent

A succulent plant.

Cactus

Any spiny succulent plant of the family Cactaceae native chiefly to arid regions of the New World

Succulent

Full of juice; juicy.

Cactus

Has areoles from which spines and flowers grow.
The prickly pear cactus has distinctive spines emerging from areoles.

Succulent

A plant adapted to arid conditions and characterized by fleshy water-storing tissues that act as water reservoirs

Succulent

Full of juice;
Lush fruits
Succulent roast beef
Succulent plants with thick fleshy leaves

Succulent

Includes a variety of plant families.
Echeveria and jade plants are common household succulents.

Succulent

Found in arid and semi-arid regions worldwide.
Succulents are adapted to survive in regions with scarce water.

Common Curiosities

What is the main difference between a cactus and a succulent?

Cacti are a specific family of spiny succulents with unique adaptations, while succulents are a broader group of water-storing plants.

Where are cacti typically found?

Cacti are native to the Americas, particularly in desert regions.

Why do cacti have spines?

Cacti have spines to protect themselves from herbivores and to reduce water loss.

Can succulents have spines?

Yes, some succulents can have spines, but not all do. Spines are a distinctive feature of cacti.

Do succulents require a lot of water?

No, succulents are adapted to store water and thrive in dry conditions, needing minimal watering.

What are some common examples of succulents?

Common succulents include aloe, agave, echeveria, and jade plant.

Are all cacti succulents?

Yes, all cacti are succulents, but not all succulents are cacti.

What distinguishes a cactus from other succulents?

Cacti have spines and areoles, which are small cushion-like structures from which spines and flowers grow.

Can succulents be grown indoors?

Yes, many succulents are popular houseplants due to their low maintenance requirements.

Do succulents flower?

Yes, many succulents produce flowers, often with striking and colorful blooms.

Are cacti easy to care for?

Yes, cacti are generally easy to care for and require minimal water and maintenance.

Can succulents survive in cold climates?

Some succulents can tolerate cold climates, but most prefer warmer, arid environments.

What type of soil is best for succulents?

Succulents thrive in well-draining soil, often a cactus mix or sandy soil.

Are there any medicinal succulents?

Yes, aloe vera is a well-known succulent with medicinal properties, particularly for skin care.

How can you tell a cactus apart from other succulents?

Look for spines and areoles, which are characteristic of cacti.

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Author Spotlight

Written by
Fiza Rafique
Fiza Rafique is a skilled content writer at AskDifference.com, where she meticulously refines and enhances written pieces. Drawing from her vast editorial expertise, Fiza ensures clarity, accuracy, and precision in every article. Passionate about language, she continually seeks to elevate the quality of content for readers worldwide.
Co-written by
Maham Liaqat

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