Annals of BotanyNews in Brief Morpho-physiological dormancy described in seeds of waterlilies (Nymphaea) Substantial evidence supports morpho-physiological dormancy (MPD) as the basal kind of seed dormancy in flowering plants. However, for seeds of waterlilies (Nymphaea, Nymphaeaceae), only physiological dormancy (PD) is... Alex AssiryFebruary 25, 2019