|  |  |  |  | ||
| hi-res image | |||||
| Secretory Cavities and Canals | |||||
| Curtis, Lersten, and Nowak 2002 rev. 2015 | |||||
| Paradermal section showing minor leaf veins and demonstrating foliar oil reservoirs in Solidago canadensis (Canadian goldenrod). Lersten and Curtis. Nord. J. Bot. 9: 281-287. | |||||