Coix lacryma-jobi var. ma-yuen

Coix lacryma-jobi var. ma-yuen, commonly known as Job's Tears, is a versatile medicinal plant valued in traditional healing. Renowned for its diuretic and anti-inflammatory properties, this grain is frequently used to treat edema, skin conditions, and digestive issues. It serves as a nutritious staple and a powerful therapeutic agent.

  • Scientific name: Coix lacryma-jobi var. ma-yuen
  • Family: Poaceae
  • Native range: Asia-Temperate

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. It is classified under the subclass Magnoliidae and the order Poales, falling into the family Poaceae. Specifically, it is identified by the genus Coix as the variety Coix lacrymata-jobi var. ma-yuen.

Rank Classification Source
Kingdom Plantae WCVP
Phylum Streptophyta WCVP
Class Equisetopsida WCVP
Subclass Magnoliidae WCVP
Order Poales WCVP
Family Poaceae WCVP
Genus Coix WCVP

Common Names

This plant, known scientifically as Coix lacrymata-jobi var. ma-yuen, is recognized by various common names depending on the linguistic and regional context. In Japanese, it is referred to as ハトムギ (hatomugi), while in Korean, it is called 율무 (yulmu). Its names in Chinese-speaking regions are closely related; it is known as 薏米 (yìmǐ) in both Mandarin (zh and zh-cn) and Cantonese (yue).
Language Common Name Source
ja ハトムギ Wikidata
zh 薏米 Wikidata
yue 薏米 Wikidata
ko 율무 Wikidata
zh-cn 薏米 Wikidata
zh-tw 薏米 Wikidata
zh 台湾薏苡 Wikidata
zh 薏苡仁 Wikidata
zh 川谷根 Wikidata
zh 苡米 Wikidata

Distribution

This plant is widely distributed across several key regions of East Asia. In China, it can be found throughout the South-Central and Southeast provinces. Its range also extends into the North-Central areas and the Manchuria region of the country. Additionally, the species is documented to grow within the borders of Korea. Together, these locations define its significant presence across the Eastern Asian landscape.

Region Area Source
China China South-Central WCVP
China Manchuria WCVP
China China North-Central WCVP
China China Southeast WCVP
Eastern Asia Korea WCVP
Eastern Asia Nansei-shoto WCVP
Eastern Asia Taiwan WCVP
Indian Subcontinent Assam WCVP
Indian Subcontinent East Himalaya WCVP
Indo-China Laos WCVP

Plant Parts

This plant, known scientifically as Coix lacrym_a-jobi var. ma-yuen, possesses a specialized structure where the roots play a fundamental role in its survival and medicinal potential. As a perennial herb, it develops a robust rhizomatous root system that allows the plant to anchor itself firmly in the soil and absorb essential nutrients and moisture. In traditional medicinal practices, these underground parts are often studied for their bioactive compounds, as the roots and rhizomes serve as a vital connection for the plant's energy storage and physiological processes.
Total parts
1
Scientific sources
1
Plant Part Sources Confidence
roots 1 ★☆☆☆☆

Chemicals

Coix lacryma-jobi var. ma-yuen has 1 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include benzoxazinoids.

Total chemicals
1
Scientific sources
1

Most Reported Compounds

Compound Sources Confidence
benzoxazinoids 1 ★☆☆☆☆

Medicinal Uses

Coix lacryma-jobi var. ma-yuen has 1 reported medicinal uses identified across 1 scientific publications and several other databases. The most consistently reported uses include inflammation.

Total uses
1
Scientific sources
1

Most Reported Uses

Use Sources Confidence
inflammation 1 ★☆☆☆☆