Psidium stem 1
March 8, 2013
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
Credit: Louisa Howard, Charles Daghlian
Topics:
Plant anatomy, Plant physiology, Biology, Vascular cambium, Pith, Plant Cells, Guava, Phloem, Tissues, Myrtaceae, Plant morphology, Botany
