ファイル:Piper retrofractum.jpgDescriptionPiper retrofractum.jpg Piper retrofractum at Iriomote is. Okinawa, Japan.(ヒハツモドキ・西表島) Date 2 January 2008 Source Own work Author self Permission
ファイル:Piper officinarum1.jpgName Piper officinarum = Piper retrofractum Family Piperaceae Image no. 2 Permission granted to use under GFDL by Kurt Stueber Source: www.biolib.de English
ファイル:Piper officinarum0.jpgName Piper officinarum = Piper retrofractum Family Piperaceae Image no. 1 Permission granted to use under GFDL by Kurt Stueber Source: www.biolib.de English
ファイル:Piper retrofractum kz02.jpgDescriptionPiper retrofractum kz02.jpg English: Piper retrofractum in botanical garden in Kraków Date 16 May 2016, 15:45:53 Source Own work Author Krzysztof
ファイル:Piper retrofractum kz01.jpgDescriptionPiper retrofractum kz01.jpg English: Piper retrofractum in botanical garden in Kraków Date 16 May 2016, 15:45:41 Source Own work Author Krzysztof