Here are two of the three anther-masses or anther groups of the Hydnora flower. They are arranged in a triangle; a gap between their pits permits beetles to fall down onto the stigma. The anther groups shown here have not yet released pollen. The stigmas of this flower are probably receptive at this time, however. Thus, beetles that have pollen on their bodies from an older flower would be able to brush some of that pollen onto the stigmas of this flower, achieving cross-pollination.
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