Property:Keel length A Text property defining a single value. Structure: keel Character: length A size property A subproperty of perianth A Part of perianth Types of keel length None. Parts of keel length None. Usage1previous 5,0002050100250500next 5,000FilterShowing 1 page using this property.PPotamogeton zosteriformis +4mm;5mm + Category: Size