Do flowers make photosynthesis?

Generally speaking, any part of a plant that is green (chlorophyll-bearing) can engage in photosynthesis, although the leaves are typically the most optimally adapted for the task. Most flowers that I know of are non-photosynthetic; they often bear colors other than green that serve to attract pollinators, be it insect, bat or bird. read more

Sepals are flower parts that are most often green, containing chloroplasts for photosynthesis to support flower growth. Sometimes it is hard to differentiate between sepals and petals, to the application of the term tepals. read more

During photosynthesis, plants make glucose and oxygen from carbon dioxide and water. To do this, they need energy in the form of light from the sun. While plants use glucose as energy, oxygen enters the atmosphere for use by other organisms. read more

You mean all plants that make flowers or all plants. If you mean all plants that make flowers, yes all of them use photosynthesis. They need that chemical reaction to fix food for them. read more