Botanical name: Hydrocotyle verticillata Family: Apiaceae (Carrot family)
Synonyms: Hydrocotyle prolifera, Hydrocotyle triradiata, Hydrocotyle australis
Whorled Marsh-Pennywort is an aquatic herb, 4 inches high, native to North America. It has long creeping stems that often form dense mats, often in and near ponds, lakes, rivers and marshes. Leaves are round, with the stalk attached to the middle of the leaf-blade. Flowers are white, arising in distant whorls on long, leafless flowering stems.
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The flower labeled Whorled Marsh-Pennywort is ...