Geta Thumba/Wal Thumba Leucas zeylanica

Common name - Geta thumba/Wal Thumba

Botanical name  - Leucas zeylanica

Family              - Lamiaceae

Life cycle - Annual

Morphology

• An erect, hispid, annual herb, 15-45 cm high, much-branched from near the base branches quadrangular.
• Leaves subsessile, 2.5-7.5 cm long, linear or linear-lanceolate, obtuse, entire or cerrulate, hispid.
• Flowers sessile or subsessile, usually in terminal whorls, 1.3-2 cm diameter; corolla white, 2 cm long

Propagation 

• By Seeds

Agricultural usage/ importance 

• Serious weed in rice fields, sugarcane and banana plantation
• Used medicinally for coughs, toothaches, and abdominal pains.

Control method

• Application of Paraquat at 3 l/ha