VAUGHAN FLEMING / SCIENCE PHOTO LIBRARY VAUGHAN FLEMING / SCIENCE PHOTO LIBRARY
Albino leaf. Life-size photograph of a Pelargonium hortorum seedling with an albino leaf (white). Albinism in plants is caused by a deficiency of the green pigment chlorophyll, which plants use to capture energy from sunlight (photosynthesis). The condition can be caused by mutation or, as in this case, starving the affected leaf of light, which stops chlorophyll being produced in the cells. P. hortorum is a flowering garden plant similar to the genus Geranium.
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