Coix lacryma-jobi (Job's tears, Adlay millet) | BCH-ORGA-SCBD-115839 | Organism | Biosafety Clearing-House

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Organism (ORGA)

last updated: 08 Dec 2020
Organism information
Coix lacryma-jobi
Kingdom Viridiplantae
Phylum Streptophyta
Class Magnoliopsida
Order Poales
Family Poaceae
Genus Coix
Species Coix lacryma-jobi
  • Job's tears
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  • Adlay millet
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Crops
Domesticated
Characteristics related to biosafety
Coix lacryma-jobi is native to Southern and Eastern Asia. It was thought to be cultivated in China prior to rice.
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China
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Coix lacryma-jobi has become naturalized in over 90 countries. The millet prefers wet and disturbed environments, such as forest edges, waterways, marshes, wetlands and roadside ditches. It can be found between sea level and 2000 m above sea level. Sunny locations with moderately fertile soils with a pH between 4.5 and 8.4 are ideal for growth. The species is not frost tolerant (low temperature around 9 degrees Celsius).
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Coix lacryma-jobi has been introduced as a cereal, fodder and forage crop in temperate, subtropical and tropical regions globally.
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  • Food
Additional Information
Coix lacryma-jobi is an annual grass that is commonly grown for food, medical and ornamental uses. The grains also are used for beverages (tea and alcoholic). Due to their appearance, the seeds are used as beads for jewelry, rosaries and other decorative objects. The species has become invasive, forming dense clumps that block the flow of waterways in Singapore, Australia, New Caledonia, the Cook Islands, the Galapagos, Greece Hawaii, French Polynesia, Mexico, Brazil, Nicaragua, Costa Rica, Puerto Rico, the Virgin Islands, Jamaica and on many islands in the Pacific and Indian Ocean. Similar to other grasses, C. lacryma-jobi is wind pollinated. Self- and cross- pollination can occur. Natural dispersal occurs via involucres containing the fruit, which are carried by water.

The genome consists of 10 chromosomes (2n = 20) and has an estimated size of 1.56 Gb.
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