Jasminum grandiflorum is a deciduous shrub, best suited for outdoor use. Jasminum are found throughout Asia, Africa, and the Middle East.Many assume Jasminum grandiflorum with the common name âSpanish Jasmineâ and Jasminum officinale âPoetâs Jasmineâ are the same jasmine plants but they are different species.fragrant flowers of the Spanish Jasmine - Jasminum Grandiflorum The spanish jasminum features white flowers with thin petals. Some cultures, use the leaves for herbal medicine and the flowers for the scent of Jasmine in perfumes.Itâs now mostly grown as an ornamental plant. The plant belongs to the flowering plant family Oleaceae.