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Hyacinth
Leaves
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Hyacinth
Leaves
Delphinium
Leaves
Gladiolus
Leaves
Aster
Leaves
Freesia
Leaves
Sunflowers
Leaves
Dianthus
Leaves
Gaillardia
Leaves
Phlox
Leaves
Hydrangea
Leaves
Candytuft
Leaves
Amaranthus
Leaves
Willow
Leaves
Corkscrew Willow
Leaves
Lupine
Leaves
Gerbera Daisy
Leaves
Asiatic Lily
Leaves
Tulip
Leaves
0:58
As fall foliage peaks, scientists work to understand leaves' colors
11.3K views
8 months ago
YouTube
NPR
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