$A$ commonly used masticator called 'supari' is obtained from the plant

The fibre of sun hemp is obtained from

The drug used for the treatment of epilepsy, insomnia, insanity, and high blood pressure is obtained from ....

The majority of improved varieties of sugarcane are produced by crosses between Noble-cane and Cob-cane, which are respectively:

$Triticum$ $aestivum$,the common bread wheat,is:

Leaf juice of which plant is given in chronic fever,haemorrhage,dysentery,and dyspepsia,and is also used to check vomiting?