Whorled Pennywort
Hydrocotyle verticillata
Photographed along the Salt River just above its confluence with the Gila River, Maricopa Co. Arizona. Oct. 2009.
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ANNUAL: A succulent herb rooted in very wet soil or more often floating
upon shallow water while still rooted and forming mats.
LEAVES: Leaves are almost circular in outline, very shiny, bright green,
and held high on long petioles.
RANGE: Found across the southern half of the United States and hence
southward through South America; restricted to wetland habitats. In the Sonoran
Desert look for it in shallows along the rivers or perennial streams.
FRUIT: Two small seeds develop from each small flower.
FLOWERS: Numerous, small white flowers are borne in small, almost spherical
panicles. Blooming mid spring through summer and fall.
UNARMED