There is a rare tropical flower called "The Parrot Flower" this may be what you are looking for.
It is Yellow and sometimes with a orange center..
It is pink in colour and has water lily like flowers. It is the national flower of india.
Check on-line or at the library for a picture of this pretty flower. It is white, small and very fragrant.
Flowers have petals and can be all differnet shapes and sizes. Some flowers smell nice and some don't smell nice. Some are bright and some are dark in color.