image by "A hint of Spring" is Copyrighted by Flickr user: aussiegall (Louise Docker) under the Creative Commons Attribution license.
The flowers of the southern magnolia are between 6 and 9 inches in diameter, while those of such species as Bigleaf magnolia are as wide as a foot, with the umbrella magnolia's blooms between 7 to 10 inches across. The pyramid magnolia has 4-inch flowers, and those of the cucumbertree are only 2 inches wide.
Sepals and Petals
The magnolia flowers in the American species possess three sepals and a varied number of petals. For instance, the sweetbay magnolia has nine to 12 petals while the umbrella magnolia flower has from six to nine.
About this Author
John Lindell has written articles for "The Greyhound Review" and various other online publications. A Connecticut native, his work specializes in sports, fishing and nature. Lindell worked in greyhound racing for 25 years.