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.
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Photo: Aristolochia labiata 4.