Persicaria arifolia (halberd-leafed tear-thumb) spongy mesophyll with druse cell (SEM).
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| Crystal Cells | ||
| hi-res image | Curtis, Lersten, and Nowak 2002 rev. 2015 | ||||
Persicaria arifolia (halberd-leafed tear-thumb) spongy mesophyll with druse cell (SEM). |
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