Caption

Scanning electron microscope image of x-section through Helianthus annus [sunflower] vascular bundle, showing the vascular cambium between the phloem and xylem.

Asterales

Asteraceae (sunflower family)

Helianthus annus

herbaceous dicotyledon

Zeiss DSM 962 SEM

Writer

Louisa Howard, Charles Daghlian

Keywords

Botanical, SEM, stem, Asterales