Doctors have identified many other conditions that can cause dementia or dementia-like symptoms. Many of these conditions are reversible with... My WebMD Sign In, Sign Up
1 Small perennial shrub from tuberous roots, growth characteristics and flower color vary by variety or hybrid. 2  Full sun to part shade. 3  Regular water during growth and bloom (flowers in spring).
Hybrid sterility, the phenomenon in which the hybrid offspring of parents from different populations fail to produce functional gametes, is a postzygotic reproductive isolating mechanism (RIM) that impedes gene exchange between diverging populations.