Ivy Stem

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“Schizogenous resin duct in the young stem of ivy (Hedera helix), as seen in cross section. A, early, and B, later stage in the formation of the duct. g, the mature duct; c, cambium wb, phloem; b, bast fibers.” -Stevens, 1916


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


TIFF (full resolution)

1485×2400, 418.7 KiB

Large GIF

633×1024, 71.4 KiB

Medium GIF

396×640, 38.3 KiB

Small GIF

198×320, 13.7 KiB