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Garlic

How to identify Garlic (Allium sativum)

Garlic, also known as Common garlic, Churl's treacle

Garlic displays a distinctive morphology, where its bulbs are segmented into individual cloves. Each clove is encapsulated within a delicate, papery sheath, with the whole bulb generally adopting a layered spherical form. The cloves, when clustered, provide a compact and sturdy structure, which typically measures around 2 to 4 inches (5 to 10 cm) in diameter. These features are critical for the identification of garlic, offering a recognizable silhouette and feel, especially when distinguishing it from close relatives within the same botanical family.

Lifespan

Lifespan: Perennial, Annual

Plant Type

Plant Type: Herb

Leaf Type

Leaf Type: Deciduous

Quickly Identify Garlic

1

Segmented bulbs with cloves enclosed in papery sheaths, forming a spherical structure (2-4 inches / 5-10 cm).

2

Umbel inflorescence with small white or pinkish flowers protected by a membranous spathe (2-4 inches / 5-10 cm).

3

Linear-lanceolate leaves with parallel venation, bright green color, measuring 1 inch wide and 8-16 inches long.

4

Short, flattened stem forming a disk at the base, surrounded by a pseudostem from overlapping leaf bases.

5

Capsule fruit perched atop flowering stalk, changing texture and color at maturity, splitting open when ripe.

GarlicGarlicGarlicGarlicGarlic

Detailed Traits of Garlic

Leaf Features

The leaves of garlic are long, thin, and grass-like, with a brighter green hue compared to other alliums. They are broadly linear-lanceolate and scattered along the pseudostem. Each leaf blade is linear oblong, measuring approximately 1 inch (2.5 cm) wide and 8-16 inches (20-40 cm) long, with an acute apex. The surface is smooth with a slight sheen, and the venation is parallel, providing a structured yet flexible texture.

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Flower Features

Garlic features a sub-spherical inflorescence called an umbel, consisting of numerous bulblets and a few flowers. The flowers are small, with delicate petals that are typically white or pinkish. These blooms are protected by a papery, membranous spathe that eventually splits open as the flowers mature. The size of the inflorescence can range between 2-4 inches (5-10 cm) in diameter. Notably, the flowers exhibit a mild fragrance and usually bloom in late spring to early summer.

Garlic Flower imageGarlic Flower image
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Stem Features

The stem of garlic is characterized by its very short, flattened structure that forms a disk at the base of the bulb. It is surrounded by a pseudostem, which is formed by the sheathing bases of overlapping leaves, giving it a sturdy appearance. The true stem is mostly hidden, and the pseudostem typically appears green and robust, with a smooth texture. The overall thickness varies but generally measures between 0.4 to 1 inch (1 to 2.5 cm) in diameter.

Garlic Stem image
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Fruit Features

The fruit of garlic is a capsule that is perched atop the plant's flowering stalk. This botanical structure possesses a texture and coloration that may transition as it matures. When the capsule reaches full ripeness, it naturally splits open. The size and characteristics of the capsule go in line with garlic's propagation adaptations. It is noteworthy that these features are consistent with the botanical fruit definitions, even though they may not conform to common culinary expectations.

Garlic Fruit image
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Giant onion vs. Garlic: What's The Difference?
Giant onion, Allium giganteum, or ornamental onion, is a member of the Amaryllidaceae family. This hardy perennial grows large purple clusters of tiny florets. It’s the largest of the ornamental onions, and although it produces onion-like fragrances, it is not grown for consumption.
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Chives vs. Garlic: What's The Difference?
Chives (Allium schoenoprasum) is a herbaceous plant native to Europe, Asia, and North America. Slightly spicy to the taste, chives are commonly used to flavor foods throughout the globe (especially in Europe). In gardens, the growing plants can act as pest repellents.
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Wild garlic vs. Garlic: What's The Difference?
While Allium vineale is a type of garlic, it is generally not accepted as a substitute for garlic as it has a rather unpleasant aftertaste. Additionally, it is considered to be invasive, as it can taint grain with the flavor of garlic. It is usually resistant to most herbicides.
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Garlic chives vs. Garlic: What's The Difference?
The garlic chives is a plant that is grown for multiple uses. It can be cultivated as an ornamental, or harvested to season food, either dried or fresh. When used in cooking, many recipes substitute garlic chives for garlic and even onion to give added flavor to the dish.
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Key Facts About Garlic

Attributes of Garlic
Lifespan
Perennial, Annual
Leaf Color
Green
Flower Color
White
Pink
Fruit Color
Cream
Brown
Tan
Stem Color
Green
Leaf type
Deciduous
The Toxicity of Garlic
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Scientific Classification of Garlic

Family
Amaryllis
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Genus
Onions
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Species
Garlic (Allium sativum)
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Distribution Map of Garlic

Garlic, native to Central Asia, has expanded far beyond its origins. It is now cultivated and introduced across multiple continents, including Europe, Africa, North and South America, and parts of Asia. Adaptable to various climates, garlic thrives in areas as diverse as the Mediterranean basin, the subtropics, and even temperate regions, making it a truly global species.
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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