Scots Pine (pinus Sylvestris) Female Cone
by Dr Keith Wheeler/science Photo Library
Title
Scots Pine (pinus Sylvestris) Female Cone
Artist
Dr Keith Wheeler/science Photo Library
Medium
Photograph - Photograph
Description
Scots pine (Pinus sylvestris) female cone. Light micrograph of a section through a female cone from a Scot's pine tree, showing the woody ovuliferous scales (red) and bract scales (green). Two ovules are produced side by side on the upper surface of the ovuliferous scale. Each arises as a group of cells that forms a rounded hump of tissue called the nucellus (purple-blue). Magnification: x3 when printed 10 centimetres wide.
Uploaded
November 11th, 2019
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