buttercup
It's a flower, actually. A really pretty, yellow-and-white one.
A white and yellow flower that begins with D is a daisy.
yellow
The logo that has a yellow flower is likely the logo of the telecommunications company, Huawei. The logo consists of a stylized white flower with yellow petals.
It is a pretty and delicate white flower
A pumpkin flower is typically yellow in color. However, depending on the variety of pumpkin plant, the flower can also appear in shades of orange or even white.
daisy
The dandelion's flower is yellow. Its seedling is white.
Daisy, something Lilly and daffodil are all white and yellow flowers.
It has three white petals and a yellow center
Daisies or coneflowers.
The question is very vague, and not possible to give one correct answer - there are literally thousands of white and yellow flowers. An easy answer is... a DAISY, as the flowers are both white and yellow