Cross section of a celery plant.

Original - Apium graveolens is a plant species in the family Apiaceae, and yields two important vegetables known as celery and celeriac. Cultivars of the species have been used for centuries, whilst others have been domesticated only in the last 200-300 years. The petiole is the part consumed.
Reason
Excellent picture, showing Vascular tissue (Xylem and Phloem) and looks good under higher res.
Articles this image appears in
Vascular bundle • Vascular tissue • Celery • Lignin
Creator
Fir0002

Not promoted --jjron (talk) 08:43, 6 May 2008 (UTC)[reply]