P. nigrum, black/white/green pepper
P. betle, betel
P. cubeba, cubeb
P. longum, long pepper
P. methysticum, kava
P. retrofractum, long pepper
Piper is a genus of plants containing the common table seasoning black pepper and the medicinal plant kava kava.
Piper also refers to The New Piper Aircraft company.
Piper is also a girl's given name, a surname of Scottish origin, and the title of one who plays the bagpipes.
Piper is also a name of a Swedish noble family.