| | UNITED STATES: Missouri:: St. Louis Co. University City, Ames Place Subdivision, 3 blocks N of Washington University main campus, 2021. |
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The roots of ivy secrete a glue to attached to their substrate. Shown is a metal pole painted black where the ivy has been removed, taking the paint away from the pole, exposing the lighter colored areas. This shows that the roots do not penetrate their
| | Copyright © 2021 by Robbin Moran
(contact: kcn2[at]cornell.edu)
[ref. DOL51171]
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