Water Lily Stem #1
by Science Photo Library
Title
Water Lily Stem #1
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
Polarised light micrograph of a transverse section of a water lily (Nymphae alba) stem showing idioblasts. Idioblasts are formed from crystals of calcium oxylate. They may function to store excess calcium which would otherwise be toxic to the plant. Some botanists think that they may act as lenses and focus sunlight on to the chloroplasts. Magnification: x136 at 10cm wide.
Uploaded
July 28th, 2016
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