Leucas ASPERA (Willd.) Link.
| Synonym : | Leucas dimidiata (Roth) Spreng. Leucas plukenetii (Roth) Spreng. Phlomis aspera Willd. Phlomis esculenta Roxb. |
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| Bangla Name : | Donkolos, Shetadrone, Chhoto Halkusha. Dulfi. ,Pi Tung Chang, Pai Thung Sa (Marma). |
| English Name : | - |
| Family : | Lamiaceae |
| Disease : | Insecticide, rheumatism, psoriasis and skin disease. |
| Description : | A diffusely branched, annual herb, 15-45 cm high, branches quadrangular, hispid. Leaves subsessile, 2.5-7.5 cm long, linear-oblong or oblong-lanceolate, obtuse entire or crenate, hairy. Flowers white, sessile or subsessile in terminal and axillary whorls, up to 2.5 cm diam., corolla 1 cm long. |
| Distribution : | Dhaka, Chittagong and Chittagong Hill Tracts in fallow lands. |
| Chemical Constituents : | Leaves contain glucosides, tannins, saponins and sterols, ? and ?-sitosterol. Shoots contain aliphatic 28-hydroxy pentatriacon-7-one, 7-hydroxydotriacontan-2-one, 1-hydroxytetratriacontan-4-one, 32-methyl tetratriacontan-8-ol, 5-acetoxy-triacontane, dotri |
| Uses : | The plants are believed to be antidote for snake venom, used as an insecticide.The leaves are useful in chronic rheumatism. The juice of leaves is applied in psoriasis and other chronic skin eruption. Ethanolic extract of the leaves and stems possess an |
| Habit : | Herb |