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Floating pennywort, Hydrocotyle ranunculoides, inflorescence.

Side view of a pennywort flower showing the stalk and five clusters of petals at the tip. Copyright information is at the bottom (Copyright 2007 The Regents of the University of California. All rights reserved.). Credit: Joseph M. DiTomaso, UC Agriculture and Natural Resources — Credit: Joseph M. DiTomaso, UC Agriculture and Natural Resources

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