Property:Biennial Revision as of 19:42, 24 September 2019 by FNA>Volume Importer(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff) A Text property defining a single value. Structure: biennial A subproperty of plant A Type of plant Types of biennial None. Parts of biennial None. Subproperties1 Showing 1 related entity.BBiennial +