nectar
flowers are pollinated by insect
sweet flowers
No, transmission fluid is an oil, and won't taste sweet. You're probably thinking of engine coolant, which does have a sweet taste to it.
Fluffy flowers flow in fluorescent fluid
The sweet fluid produced by plants and collected by bees is known as nectar.
to attract insects
Most flowers have a sweet scent so insects will come and pollinate the plant, and allow the plant to continue to go.
The "floral" smell of most flowers is sweet or fragrant. Some are too sweet. Some might be described as aromatic.
Sweet Pea and Salvia are flowers. Soldaster is a flower.
"Sweet Pea" (Lathyrus odoratus)
The sweet pea is a popular annual garden plant, a climber with pretty flowers.
Sweet Pea flowers have green leaves that grow in pairs. The are rounded on the bottom and pointed at top. Their veins are not very prominent.