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Lentil

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The lentil, known scientifically as *Vicia lens* or *Lens culinaris*, is an annual legume.

Illustration Lens culinaris0
Illustration Lens culinaris0

It is grown globally for its edible seeds, which are often called pulses. These seeds are famous for their unique, lens-like shape. This specific shape is so distinct that it gave its name to optical lenses, such as those used in eyeglasses. Lentils are a vital food source for many people around the world. They provide nutrition and serve as a central part of many traditional diets.

Growing a lentil plant involves several specific botanical stages. The plant is a bushy, annual herb with slender, angular stems and hairy branches. It features alternate leaves that can be oblong or linear in shape. The flowers, which appear in colors like white, pink, or purple, emerge from the leaf axils. These flowers undergo acropetal flowering, meaning they begin at the bottom buds and move upward. It takes about two weeks for all flowers on a single branch to open.

Llenties maig
Llenties maig

After the flowers open, they close within two to three days. This process leads to the setting of the oblong pods, which usually contain two seeds each.

Lentils have a very resilient way of germinating called hypogeal growth. During this process, the cotyledons, or seed leaves, stay underground inside the seed coat. This biological mechanism helps protect the plant from frost, wind erosion, and insect attacks. The plant itself is a diploid organism, meaning it has two sets of chromosomes. As the plant grows, it can adapt to different environments. In temperate climates, they are planted in winter or spring. In subtropics, they rely on residual soil moisture during the summer.

Illustration Lens culinaris0
Illustration Lens culinaris0

History shows that lentils have been part of human civilization for millennia. They were first domesticated in the Fertile Crescent of the Near East. From there, they spread to North Africa, Europe, and the Indo-Gangetic plain. Archaeologists have found evidence of lentils in Greece dating back to 11,000 BC.

Llenties maig
Llenties maig

Other ancient remains have been discovered in Syria, Jordan, Turkey, and Iran. Lentils were even a part of the ancient Israelite diet, appearing in biblical passages as roasted seeds or stews. This long history has allowed the plant to become a global staple.

In modern markets, lentils are classified by many different seed qualities. These include size, shape, seed coat color, and the color of the internal cotyledon.

Lentils red and brown
Lentils red and brown

Red lentils are defined by their red cotyledons and are often sold with the seed coat removed. Australia is currently the world's largest producer of these red varieties. Green and brown lentils typically have yellow cotyledons. Canada is the leading producer of green lentils. In North America, these are often categorized by historic cultivars like Eston-types or Laird-types.

Split Red Lentil
Split Red Lentil

There are also several specialty types of lentils that collectors and chefs value. The Beluga Black lentil is a small, bead-like cultivar named for its resemblance to black caviar. It has a thick seed coat, which helps it hold its shape when cooked. Another unique variety is the Puy lentil from France, which has a blue-green color and a marbled pattern.

Lentils red and brown
Lentils red and brown

In 2023, the total global production of dry lentils reached approximately 7 million tonnes. Australia, Canada, and India are the top producers, accounting for 72% of this total. These numbers show how important the crop is to the global food system.

Beyond nutrition, lentils play a crucial role in agriculture and culture. When grown in a field, they help improve the physical properties of the soil. This is often due to biological nitrogen fixation, a process that helps the soil benefit succeeding cereal crops. Culturally, lentils are a centerpiece of many cuisines. In the Indian subcontinent, split lentils known as dal are cooked into thick curries.

Daal after Tadka Pulse Soup India
Daal after Tadka Pulse Soup India

These are commonly served with rice or roti, showing how a single seed can connect history, science, and daily life.

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🖼️ Images & Media (5)
File:Llenties_maig.JPG
Llenties_maig.JPG
File:Illustration_Lens_culinaris0.jpg
Illustration_Lens_culinaris0.jpg
File:Lentils_red_and_brown.jpg
Lentils_red_and_brown.jpg
File:Split_Red_Lentil.jpg
Split_Red_Lentil.jpg
File:Daal_after_Tadka_Pulse_Soup_India.jpg
Daal_after_Tadka_Pulse_Soup_India.jpg
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