The White Flowers are the ones that just opened. The Yellow Flowers are the ones that have been open longer and are about to dry out.
Madonna Lily
Perhaps you're thinking of a Gardenia? They have very fragrant white blooms. I've never seen one with yellow blooms though.
Jasmine and gardenia are both fragrant flowering plants but belong to different families. Jasmine, part of the Oleaceae family, typically has small, white or yellow flowers and is known for its sweet scent, often used in perfumes and teas. Gardenia, from the Rubiaceae family, features larger, creamy white flowers and has a rich, creamy fragrance. Additionally, jasmine is a climbing vine or shrub, whereas gardenia is generally a bushy shrub.
This perfumes is blend of white flowers gardenia, jasmine, tuberose, lily-of-the-valley, lilac, lily and orris.
Gardenias grow into shrub-like bushes or small trees that can reach 5 ft (1.5 m) in height. G. jasminoides: large white flowers, it reaches heights of 2 ft (61 cm). G. nitida: grows up to 3 ft (93 cm) with white flowers. And more . . .
Yes, blackberry bushes produce white flowers before developing their fruit. These flowers are an important part of the plant's reproductive process, attracting pollinators such as bees and butterflies.
Yes, blueberry bushes do flower. The flowers are small, white or pinkish in color, and bell-shaped with five petals.
Magnolia, Lilac, Freesia, Violet, Sweet Pea, Rose, Gardenia
Acacia.
Gardenia: A fragrant flower with white or yellow petals, commonly used in floral arrangements. Gerbera: A colorful flower with large, daisy-like blooms in shades of pink, red, yellow, or orange. Gladiolus: Tall, sword-shaped flower spikes with flowers in various colors, often used in cut flower arrangements. Gazania: A daisy-like flower that comes in bright colors like orange, yellow, and red, often found in garden borders.
The flowers of mimosa trees can vary in color, but they are commonly pink, white, or yellow.
gardenia may be the answer you are looking for ?