Caption

Scanning electron microscope image of longitudinal section of Helianthus annus [sunflower] stem showing area of vascular bundles.

Asterales

Asteraceae (sunflower family)

Helianthus annus

herbaceous dicotyledon

Zeiss DSM 962 SEM

Writer

Louisa Howard, Charles Daghlian

Keywords

Botanical, SEM, stem, Asterales