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Home > All Images > 1986 > February > 7 Feb 1986

Images Dated 7th February 1986

Choose from 5 pictures in our Images Dated 7th February 1986 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Stellate leaf hairs Featured 7 Feb 1986 Print

Stellate leaf hairs

False colour scanning electron micrograph of stellate leaf hairs on the surface of the hoary mullein Verbascum pulverulentum. This is a perennial herbaceous wild plant, which grows in France. Germany & England. The stellate leaf hairs are typical of alpine plants exposed to strong light & drying winds. They serve a biological function for the leaf by limiting transpiration & reducing surface temperature. The density of the hairs lends the leaf a white appearance. It is held that the hairs were scrapped from the leaves, rolled like cotton & used as wicks in the lamps of the neolithic flint miners at Grimes Graves, Norfolk. Magnification: X 37 at 35mm size. Original is BW print B745/079

© DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY