Figure 6. Optical images of macerated fibers from the species studied: a) Leucaena leucocephala, b) Moringa perigrina, c) Ceiba pentandra, and d) Calotropis procera

From

Some Promising Hardwoods for Cellulose Production: I. Chemical and Anatomical Features

Sherif S. Z. Hindi

Nanoscience and Nanotechnology Research. 2017, 4(3), 86-97 doi:10.12691/nnr-4-3-2