Close-up of a pressed flower --- Image by © 2/Medioimages/Ocean/Corbis
White Flowers --- Image by © Michael Filonow/Corbis
Leaves Branching Out from Stem in Radial Pattern --- Image by © Ann Cutting/Corbis
Flower --- Image by © Ann Cutting/Corbis
Curved Petal --- Image by © Geoff Graham/Corbis
Single Magnolia Bud in Spring by Tom Marks --- Image by © Tom Marks/Corbis
2007, France --- Photographed in Monet's Gardens, Giverny, France. | Location: Giverney, France. --- Image by © Ken Rosenthal/Corbis
Close-up of white dandelion --- Image by © Jed Share/Kaoru Share/SuperStock/Corbis
Vines on Window by Tom Marks --- Image by © Tom Marks/Corbis
Water Lily --- Image by © SuperStock/Corbis
Lilies --- Image by © SuperStock/Corbis
Easter Lily --- Image by © SuperStock/Corbis
11 Aug 2012 --- A closeup studio photograph of the petals of a flower. --- Image by © Mike Cullen/Corbis
Haslemere, Surrey, England, UK --- A rose in shades of grey --- Image by © 145/Rosemary Calvert/Ocean/Corbis
Close-up of dahlia flower with water drops digitally converted to greyscale. --- Image by © 145/Rosemary Calvert/Ocean/Corbis
14 Jun 2011 --- Close up of rose flower in black & white on a black background. Digital photograph by Dean Forbes taken on June 14, 2011. --- Image by © Dean Forbes/Corbis
ca. 1980-2001, San Francisco, California, USA --- Queen Anne's Lace Flower --- Image by © Ariel Ruiz i Altaba/CORBIS
ca. 1990s --- Rose and Leaves --- Image by © Robert Levin/CORBIS
2003, Venice, Los Angeles, California, USA --- Tulip Petals with Raindrops --- Image by © Paul Colangelo/CORBIS
Tulip 1 by David Roseburg --- Image by © David Roseburg/CORBIS
, Seattle, Washington State, USA --- City Poppy by David Roseburg --- Image by © David Roseburg/CORBIS
Tulips in Line by David Roseburg --- Image by © David Roseburg/CORBIS
Coral Bell by David Roseburg --- Image by © David Roseburg/CORBIS
One Rose by Jefferson Hayman --- Image by © Jefferson Hayman/CORBIS
ca. 1915-1920, Florence, Italy --- A close-up of a camellia reticulata flower and leaves in Italy. --- Image by © Alinari Archives/CORBIS
One passion flower --- Image by © MASAO OTA/amanaimages/Corbis
Stack of roses --- Image by © Martin Meyer/Corbis
Bleeding Hearts by Tom Marks --- Image by © Tom Marks/Corbis
Twig of Tiny Blossoms from Hawthorn Tree by Tom Marks --- Image by © Tom Marks/Corbis
1998 --- Tulip by Tom Marks --- Image by © Tom Marks/Corbis
Three Magnolia Buds by Tom Marks --- Image by © Tom Marks/Corbis
2002, Los Angeles, California, USA --- White daisies against a clear sky --- Image by © Ken Rosenthal/Corbis
Aliens from the Garden by Tom Marks --- Image by © Tom Marks/Corbis
2006 --- Vines on Wall by Tom Marks --- Image by © Tom Marks/Corbis
Lily blooming outdoors --- Image by © SuperStock/Corbis
A black and white Polaroid photo of flower stems against a black background. --- Image by © Mike Cullen/Corbis
A closeup studio photograph of the petals of a flower. --- Image by © Mike Cullen/Corbis
Polaroid photo of a single sunflower --- Image by © Mike Cullen/Corbis
18 Dec 2011 --- Large cactus --- Image by © Ivary/Corbis
28 Mar 2011 --- A flower of a climbing hydrangea (Hydrangea petiolaris). --- Image by © Jill Ferry/Corbis
Close-up of large yellow and red dahlia Dahlia 'Lady Darlene' digitally manipulated to give it the appearance of a pencil drawing. --- Image by © 68/Rosemary Calvert/Ocean/Corbis
27 Jun 2009 --- High contrast image of a daisy flower illuminated by the sun. Digital photograph by Dean Forbes taken on June 27, 2009. --- Image by © Dean Forbes/Corbis
Washington State, USA --- Tulip Festival by Christian French --- Image by © Christian French/CORBIS
Allium by David Roseburg --- Image by © David Roseburg/CORBIS
Globe Thistle by David Roseburg --- Image by © David Roseburg/CORBIS
Coral Bell by David Roseburg --- Image by © David Roseburg/CORBIS
Tulip Arch by David Roseburg --- Image by © David Roseburg/CORBIS
ca. 2003 --- Rays of Light V by Nicola Dill --- Image by © Nicola Dill/CORBIS
ca. 1885, Italy --- A close-up of the flower of a calla lily. --- Image by © Alinari Archives/CORBIS
Calla Lilies in Vase --- Image by © Ann Cutting/Corbis