LEUCAS ASPERA (Willd.) Link.

Family: Lamiaceae

Bengali/Vernacular Name: Donkolos, Shetadrone, Chhoto Halkusha. Dulfi.

Tribal Name: Pi Tung Chang, Pai Thung Sa (Marma).

Description of the Plant:
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.

Using Information:
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 (Yusuf et al. 2009).
Ethanolic extract of the leaves and stems possess antibacterial properties (Singha et al., 1993). Chloroform and ether extract of the plant possesses antifungal activity (Ghani, 2003). Extract of the plant showed antibacterial activity against Micrococcus pyogenes and E. coli (Rastogi & Mehrotra, 1999).

Chemical Constituents:
Leaves contain glucosides, tannins, saponins and sterols, α and β-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, dotriacontanol and β-sitosterol. Two sterols and galactose have been isolated from the plant. Plant also contains oleic, linoleic, palmitic, stearic, oleanolic and ursolic acids (Ghani, 2003; Rastogi & Mehrotra, 1990).

Dhaka, Chittagong and Chittagong Hill Tracts in fallow lands.

LEUCAS ASPERA (Willd.) Link.

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Retutn from LEUCAS ASPERA to Medicinal Plants: Part L