High magnification scanning electron micrograph of a cross-section through a Psidium guajava vascular bundle. The image shows the phloem and xylem, with the vascular cambiun in-between. This image is...

Scanning electron microscope image of cross-section through a Psidium guajava stem. The image shows the thin outer epidermal layer with a thick layer of cortex beneath. The vascular area consists of ...

Scanning electron microscope image of Psidium guajava epidermal surface of the stem, showing trichomes (hair-like projections). This image is part of a group on botanical stems (CIL:40378-40395).