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Carob tree

How to identify Carob tree (Ceratonia siliqua)

Carob tree, also known as Locust tree, Algaroba

Carob tree is an evergreen tree that can reach heights of up to 50 feet (15 meters). This steadfast plant exhibits a broad, rounded crown with dense, glossy green foliage. Distinctive, elongated pods, akin to horns in shape, hang from its branches. These tough pods, typically brown at maturity, encase numerous seeds within their firm, fibrous body. The foliage is composed of small, leathery leaves with a compound structure, offering a lush appearance throughout the year.

Lifespan

Lifespan: Perennial

Plant Type

Plant Type: Tree

Leaf Type

Leaf Type: Evergreen

Quickly Identify Carob tree

1

Broad, rounded crown with glossy green foliage.

2

Distinctive elongated pods resembling horns, typically brown.

3

Flowers in dense clusters on catkin-like racemes, lacking petals.

4

Fruit pods 4–12 inches (10–30 cm) long, with thickened seams.

5

Thick trunk with rough, brown bark and sturdy branching structure.

Carob treeCarob treeCarob treeCarob treeCarob tree

Detailed Traits of Carob tree

Leaf Features

The leaves of carob tree are notable for their broad, pinnate structure, typically ranging from 4 to 8 inches (10 to 20 cm) in length. They may or may not feature a terminal leaflet, adding to their variability. Initially, the new foliage presents a distinctive bronze hue, transitioning to a richer green as they mature. The leaves exhibit a smooth texture with a clear vein pattern, contributing to their lush appearance and resilience.

Leaf Arrangement

Alternate

Leaf Margin

Entire ,
Undulate

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Flower Features

Carob tree exhibits small, numerous flowers that form in dense clusters, spirally arranged along catkin-like racemes. These flowers bloom in autumn, appearing on spurs from old wood and even on the trunk. They are typically greenish-yellow to red, lack petals, and measure about 0.4 inches (1 cm) in diameter. The blooms are scented, attracting both wind and insect pollinators. The flowers’ unique catkin-like arrangement is a key identification feature.

Carob tree Flower image
Inflorescence Type

Raceme

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Stem Features

The stem of carob tree is characterized by its thick trunk, reaching diameters of up to 3 feet (90 cm). The bark is rough and brown, providing a rugged texture. Sturdy branches extend from the trunk in a pattern that contributes to the plant's overall robustness. The stem's substantial thickness and coarse, fissured bark are key identification features, distinguishing it from other species. Additionally, the sturdy branching structure is notable for its resilience and support.

Carob tree Stem image
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Fruit Features

The fruit of carob tree are sizable, tough pods that mature throughout a full year before ripening. They typically measure 4–12 inches (10–30 cm) in length and can be either straight or slightly curved, with a pronounced thickening at the seams. The exterior is a hard shell, ranging in color from a reddish-brown to a dark purplish-black as it matures. Inside, the pods house edible fibers and seeds, which are consumed in various culinary applications. The texture of the pod's interior is chewy and sweet, making it a valuable food source.

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Key Facts About Carob tree

Attributes of Carob tree
Lifespan
Perennial
Plant Type
Tree
Plant Height
15 m
Spread
10 m
Fruit Color
Brown
Green
Stem Color
Green
Leaf type
Evergreen
The Toxicity of Carob tree
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Scientific Classification of Carob tree

Family
Legume
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Species
Carob tree (Ceratonia siliqua)
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Distribution Map of Carob tree

Carob tree (Ceratonia siliqua) is a tree that thrives in its native Mediterranean and Iranian regions on rocky seashores. The plant has been introduced widely to Australia, Peru, India, China, and much of sub-Saharan Africa. This tree is a popular ornamental variety grown in arid climates worldwide.
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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