Botanists classify sunflowers, annual flowers from the Asteraceae family, as dicots (dicotyledons). Such flowers contain a pair of leaves, or cotyledons, in the embryo of the seed.
About the Author
T.M. Samuels has been a freelance writer since 1993. She has published works in "Arthritis Today," "Alabama Living" and "Mature Years," and is the author of a gardening book. Samuels studied pre-medicine at Berry College.