|  |  |  |  | ||
| hi-res image | |||||
| Reproductive Anatomy | |||||
| Curtis, Lersten, and Nowak 2002 rev. 2015 | |||||
| Ambrosia trifida (giant ragweed) pistillodium before expansion, emergence, and release of pollen from staminate flower (SEM). Curtis and Lersten 1995. Int. J. Plant Sci. 156: 32. | |||||