Acacia.
Jasmine
a Jasmine is a climbing shrub with delicate and fragrant white or yellow flowers. fro9m Persia
Yellow
One example is the azalea, a flowering shrub known for its vibrant and showy flowers that come in various colors such as white, pink, purple, and yellow. Azaleas are popular in landscaping for adding color and beauty to gardens and outdoor spaces.
Barberry
Witch Hazel
magnolia
Yes
Perhaps you're thinking of a Gardenia? They have very fragrant white blooms. I've never seen one with yellow blooms though.
Motia is a shrub. It is also known as Arabian jasmine and is often grown for its fragrant white flowers.
The rose is a type of the flowering shrub. The flowers of rose grow in a number of colors namely red, yellow, purple and white.
Cytisus or broom.