69.2 MB (3.6 MB compressed)
4557 x 5305 pixels
38.6 x 45.0 cm ⏐ 15.2 x 17.7 in (300dpi)
TED KINSMAN / SCIENCE PHOTO LIBRARY TED KINSMAN / SCIENCE PHOTO LIBRARY
Colour-enhanced X-ray of a Rhubarb leaf (Rheum sp. ) and stalk. The stalks are eaten, and are a good source of vitamin C (ascorbic acid). The leaves contain oxalic acid, however, and are toxic.
Model release not required. Property release not required.