Characteristic is a type of Property. Characteristic is a synonym of Feature. Feature is related to Article. Rider is a type of Article. 
Stem is related to Tomato. Tomato is related to Apple. 
Property <--IsA-- Characteristic <--Synonym--> Feature <--RelatedTo--> Article <--IsA-- Rider 
Stem <--RelatedTo--> Tomato <--RelatedTo--> Apple 