SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY
Bedstraw stem. Coloured scanning electron micrograph (SEM) of the stem of bedstraw (Galium sp.). The bedstraws are sweet-smelling herbaceous plants of the Rubiaceae family, which includes coffee, madders and wild quinine. They curdle milk and so were used historically in cheese- making, as well as for medicinal purposes. Magnification: x54 at 6x7cm size.
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