Photo: Proboscidea louisianica.

Flowering plants. Brussels bot.g., Belgium. Planted. 2008-06-05.
Proboscidea louisianica (Mill.) Thell. Engl.: ram's horn, aphid trap, devil's claw, Louisiana unicorn-plant, unicorn-plant. Deu.: Gemshorn. Sven.: bockhorn. Bot. syn.: Martyina lutea Lindl., Martynia proboscidea Gloxin
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Photo: Proboscidea louisianica.