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Hibiscus Petals
Photograph by Amy White & Al Petteway
Bright petals mark the hibiscus, a flowering plant found in much of the world.
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Giant Lobelia
Photograph by George F. Mobley
The leaves of a giant lobelia plant, photographed on Mount Kilimanjaro's Shira Plateau in Tanzania, spiral around the center.
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Sunflower Florets
Photograph by Jozsef Szentpeteri
Beads of dew cling to the florets that spiral inside a sunflower head.
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Calla Lily
Photograph by Raul Touzon
A favorite of brides, the ethereal calla lily is often called the wedding flower.
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Castor Bean Leaf Close-Up
Photograph by Jozsef Szentpeteri
Veins spider across a castor bean leaf in Hungary.
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Claret Cup Cactus Flower
Photograph by Raul Touzon
The flower of a claret cup cactus glows amid Tonto National Forest in Arizona.
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Picotee Pansies
Photograph by Jonathan Blair
White borders rich purple in these picotee pansies in Gilroy, California.
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Hairpin Banksia
Photograph by Jason Edwards
The hairpin banksia (Banksia spinulosa) is native to eastern Australia.
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Prickly Pear Cactus
Photograph by Tim Laman
Sharp spines erupt from the skin of a prickly pear cactus in the Galápagos Islands.
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Zinnia Hybrid Flower
Photograph by Jonathan Blair
Genetic engineering created this zinnia hybrid flower.
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Castor Bean Leaf
Photograph by Jozsef Szentpeteri
The seeds of the castor bean plant (Ricinus communis) are the source of castor oil as well as the deadly poison ricin.
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Hair Cap Moss
Photograph by Rich Reid
Hair cap moss (Polytrichum commune) is found throughout much of the world.
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Water Lily
Photograph by James P. Blair
A water lily thrives in the Missouri Botanical Garden in St. Louis.
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Red Tulips
Photograph by Stephen St. John
Red tulips fill Lafayette Square in Washington, D.C.
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Palm Fronds
Photograph by Nicole Duplaix
Palm leaves, called fronds, are traditional symbols in many religions.
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