Impatiens capensis, for example, has been observed to produce only cleistogamous flowers after being severely damaged by grazing, and to maintain populations on unfavorable sites with only cleistogamous flowers.
Impatiens | Impatiens glandulifera | ''T. r. capensis'' with two juveniles in Krishna Wildlife Sanctuary | Olea capensis | Impatiens capensis | Impatiens balsamina | ''Drosera capensis | Cardamine impatiens |