A. Ascalonicum Root

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“Portion of a cross section of a root of Allium ascalonicum. h, large central, tracheal tube; i, xylem, and l, phloem portion of the vascular bundle; n, cortex cells; 1, endodermis with thin-walled cell at k to admit passage of materials; m, pericycle or pericambium.” -Stevens, 1916


William Chase Stevens Plant Anatomy (Philadelphia, PA: P. Blakiston, 1916)


TIFF (full resolution)

2400×2074, 621.8 KiB

Large GIF

1024×884, 117.0 KiB

Medium GIF

640×553, 68.2 KiB

Small GIF

320×276, 26.7 KiB