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50.3 MB (50.0 MB compressed)
4805 x 3656 pixels
40.6 x 31.0 cm ⏐ 16.0 x 12.2 in (300dpi)
SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY
Pansy flower petal. Coloured scanning electron micrograph (SEM) showing papillae on a pansy (Viola sp.) petal. Papillae are projections from epidermal cells, They are often swollen, and covered in wax to reduce water loss. A pollen grain (green) from an unidentified plant is seen at left.
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