39.5 MB (13.1 MB compressed)
3322 x 4156 pixels
28.2 x 35.3 cm ⏐ 11.1 x 13.9 in (300dpi)
TED KINSMAN / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY TED KINSMAN / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
Scanning Electron Micrograph (SEM) of a grain of pollen from Cannabis sativa plant. The pollen is 20 um in diameter and is scattered by air currents. The pollen of the cannabis plant is almost identical to the hops plant, a close relative.
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