Property:Placental duration A Text property defining a single value. Structure: placental Character: duration A phenology property A subproperty of placenta A Part of placenta Types of placental duration None. Parts of placental duration None. Usage4previous 5,0002050100250500next 5,000FilterShowing 4 pages using this property.AArctomecon +persistent +Arctomecon californica +persistent +Arctomecon humilis +persistent +Arctomecon merriamii +persistent + Category: Phenology