Title: Abaxial leaf blade surface of the Brazil nut. Photo by C. A. Gracie
Description: SEM of the abaxial leaf blade surface of the Brazil nut (Bertholletia excelsa). The papillae give the surface a light colored cast that make the abaxial leaf surface lighter colored than the adaxial surface.
Term:
Papillae
Definition:
Minute, rounded protuberances that may cover a surface, e.g., the abaxial leaf blade surfaceae.