Photo: Aristolochia labiata 4.

Huge flower, hanging down: side view, with a flowered-out flower. Turku bot.g., Ruissalo, Finland. Greenhouse. 2004-08-26.

Aristolochia labiata Willd.
Engl.: mottled dutchman's pipe, rooster-flower.
Deu.: Brasilianische Osterluzei, Vogelkopf-Pfeifenblume.
Sven.: näbbpipranka.
Bot. syn.: Aristolochia brasiliensis Mart. & Zucc.