Property:Biennial Revision as of 02:38, 30 July 2020 by imported>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. Subproperties2 Showing 2 related entities.BBiennial +Biennial architecture +