Weed Herbarium

Job's Tears

Common Name: Gromwell grass
Scientific Name: Coix lacryma-jobi L.
Family Name: Gramineae
Type: Grass

Identification Notes

EPPO Code

COXLJ

Life Cycle

Perennial

Morphology

Culm: erect, single; Leaves: wide with or without tubercle based hairs; Inflorescence: erect or pendent, recemes axillary, staminate spikelets terminal, pistillate basal, enclosed in a bead - like hard involucre, spikelets unisexual, staminate spikelets in pairs, one pedicelled, other sessile, pistillate spikelets 3 together, one fertileand two sterile at base; Fruit: a caryopsis.

Growing season

Rabi and Kharif

Germination period

January - December

Flowering period

October to March

Propagation

By Seed and rootstock

Habitat

Found mainly in the roadside, homesteads and bank of the ponds.

Department of Agronomy

Bangladesh Agricultural University

Job's Tears

EPPO Code

Life Cycle

Morphology

Growing season

Germination period

Flowering period

Propagation

Habitat

Weed potential

Control measure

Recommended herbicide

Distribution

Medicinal properties

References