Property:Constriction duration A Text property defining a single value. Structure: constriction Character: duration A phenology property Types of constriction duration None. Parts of constriction duration None. Usage7previous 5,0002050100250500next 5,000FilterShowing 7 pages using this property.HHuperzia appalachiana +annual +Huperzia haleakalae +annual +Huperzia lucidula +annual +Huperzia miyoshiana +annual +Huperzia occidentalis +annual +Huperzia porophila +annual +Huperzia selago +annual + Category: Phenology