Caption

Scanning electron microscope image of x-section through Psidium guajava stem. Image shows thin outer epidermal layer with a thick layer of cortex beneath. Vascular area consists of secondary phloem and primary xylem, with vascular cambium in between. The central pith has some mucilage present.

Myrtales

Myrtaceae (myrtle family)

Psidium guajava

woody dicotyledon

Zeiss DSM 962 SEM

Writer

Louisa Howard, Charles Daghlian

Keywords

Botanical, SEM, stem, Myrtales