Asusa (vsdsks)


  •  The  trade  name  vasaka is based on the ansskirt name of the plant; even the scientific name  is  based on the snaskirt  name . 


  • Description ;    A tall , much- branched, dense erergreen shrub, with large , lance- shaped leaves. flowes in sense, shorts spikes structures, called bracts, presen on the spikes; these are conspicuously veined. corolls of the flowers is  white with  few purplish markings. fruits capsular, 4- seeded.

 Distribution : thies plant occurs throughout the plains and  submontane region of india: is common near  habitations.

Drug and its properties ;  the drug vasaka comprises the fresh  or dried leaves of the plant. leaves contain an alkaloid vasicine  and essential oi. the chief use of vasaka  is as an expectorant ; it isa given in the from  og juice , syrup  or decoction, it softens the thick sputum, facilitates its coming out  and thus bring  about  quick relief in bronchial glands . larger doses  can, however, cause irritation and vomitting. recent experiments have confirmed the usefulness of vasaka.
   

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