Photograph of a tissue print from a mature leaf of Peperomia camptotricha. A thich hand-cut fresh leaf section was pressed onto a nitrocellulose membrance. The resulting untouched print was photographed with side illumination to give a 3-D appearance. Such prints can be used for histochemical studies.
Additional data
copyright: Irwin P. Ting, BSA
license: http://images.botany.org/index.html#license