Photo: Aristolochia macrophylla 2.

Vine, climbing up. Mustila arboretum, Elimäki, Finland. Planted. 2003-07-08.
Aristolochia macrophylla Lam. Engl.: pipevine, dutchman's pipe. Deu.: Amerikanische Pfeifenwinde. Suom.: lännenpiippuköynnös, piippuköynnös. Sven.: pipranka. Fran.: aristoloche-siphon. Bot. syn.: Aristolochia durior Hill, Aristolochia sipho L'Her., Isotrema macrophyllum (Lam.) C. F. Reed
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Photo: Aristolochia macrophylla 2.