Family: Lamiaceae
Taxonomy: Plantae > Tracheophyta > Magnoliopsida > Lamiales > Lamiaceae > Leucas > L. zeylanica
Common name [English]: Ceylon slitwort
Vernacular name [Malayalam]: തുമ്പ
Habitat: Grasslands and savannahs, also in the plains, Fields, roadsides.
Description: Small erect herbs; branches villous. Leaves to 6 x 1 cm, elliptic, obtuse at apex, scabrous; petiole 5 mm long. Heads terminal and upper axillary; bracts 6 mm long, linear, acute, ciliate. Flowers 10-20 in a head; calyx 6 mm long, mouth slightly oblique, teeth 1 mm long, scabrous; corolla tube 7 mm long, upper lip obovate, with black hairs, midlobe of lower lip rounded.
Flowering and Fruiting : May-July
Uses : Medicinal, Ornamental
Cultivation: Cultivated, Wild
References
http://www.plantsoftheworldonline.org
https://indiabiodiversity.org