With which energy the plant manifests its own perfume?

Question

Which plant genus, with species ranging from low deciduous shrubs to evergreen trees up to 18 m (59 ft) tall and native to areas of Eurasia and Africa, flowers prolifically with dense pink spikes?

Answer 1

The plants like Corn, Sugar Cane, Palm oil, Jatropha, Soybean, Switchgrass, Rapeseed are cultivated to obtain the fuel. The method ofproducing fuel from plants or other sources will allow us to decrease our dependence on fossil fuels specially Petroleum products.