THE cuticle of the leaves of Nicotiana tabacum is covered with a gummy layer, some of which seems to originate as an exudate from the leaf hairs or trichomes.
International Journal of Plant Sciences, Vol. 166, No. 1 (January 2005), pp. 145-156 (12 pages) Based on sections from both macerated and unmacerated cuticles and, for the extant species, the leaf ...