Columnea fimbricalyx

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  • Photographer: Christian Feuillet, courtesy of the Smithsonian Institution

Images copyright by the individual photographers or their institutions.

Also known as Trichantha fimbricalyx. Another species with a fimbriate calyx is C. minor. While the complete function of these elaborate calyx structures is unclear, they may serve as an aide in pollination — the increased presence of a brightly colored “target” may help hummingbirds find the flowers.