St Mary's College, Sulthan Bathery / Plant
Erect hirsute herb to 40 cm tall. Leaves simple, opposite, linear - lanceolate , apex acute , base cuneate, margin distantly serrate, puberulous, petiole 3 mm long. Verticils terminal and axillary; bract linear, equaling calyx , hirsute. Calyx 6 mm long , tubular . Corolla white, outside hairy above, inside middle annulate with oblique and discontinuous ring of fleshy hairs, fan shaped. Nutlets 2.5 × 1 mm, dark brownish, glabrous shining .
English - Common leucas
Hindi - Chhota halkusa
Malayalam - Thumba
Tamil - Thumbai
Kannada - Tumbe guda
* Leaves are used in chronic rheumatism .
* Used to treat snake bite .
* Smoke of the leaf is used as insecticide .
* Antibacterial , antipyretic ( Mangathayaru K et al , 2005 ) .
* It has the ability to reduce fever .