Scots Pine (pinus Sylvestris) Male Cone
by Dr Keith Wheeler/science Photo Library
Title
Scots Pine (pinus Sylvestris) Male Cone
Artist
Dr Keith Wheeler/science Photo Library
Medium
Photograph - Photograph
Description
Scots pine (Pinus sylvestris) male cone. Light micrograph of a section through a male cone from a Scots pine tree, showing its pollen. The cone axis (blue-red) bears a pouched walled of microsporangium (red), within which the pollen is produced. The pollen grains each have a large air bladder, which gives buoyancy in the air and aids wind dispersal. Magnification: x5 when printed 10 centimetres wide.
Uploaded
September 25th, 2019
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