Photo: Aristolochia tricaudata.

Flowers. Marburg bot.g., Germany. Greenhouse. 2006-10-02.
Aristolochia tricaudata Lem. Deu.: Dreigeschwänzte Pfeifenblume. Bot. syn.: Isotrema tricaudatum (Lem.) H. Huber
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Photo: Aristolochia tricaudata.