Bot. late or delayed in development: said esp. of late-flowering plants
Origin of serotinalfrom Classical Latin serotinus from serus, late from Indo-European base an unverified form s?(i)-, slow, let fall, neglect, stretch out from source seed, side
(comparative more serotinal, superlative most serotinal)
- Pertaining to or occurring in late summer.
- The serotinal orange moon signaled the beginning of autumn