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Flower morphology in Loasaceae subfam. Loasoideae. (A–F) Tilt-revolver flowers: (A–D) star-shaped flowers (A, B, Nasa moroensis; C, Presliophytum incanum; D, Blumenbachia insignis); (E, F) saucer-shaped flower of Caiophora cirsiifolia (1). (G–L) Funnel-revolver flowers (G, H, balloon-shaped-flower of Caiophora chuquitensis; I, L, bell-shaped flower of Caiophora canarinoides; J, K, bowl-shaped flower of Caiophora pentlandii).
