Whorled Pennywort

Hydrocotyle verticillata

Whorled Pennywort, Hydrocotyle verticillata, growing in Maricopa Co., Arizona. Photo © by Michael Plagens

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.
Small white flowers arranged into an umbel
FLOWERS: Numerous, small white flowers are borne in small, almost spherical panicles. Blooming mid spring through summer and fall.


Apiaceae -- Carrot Family

More Information:

Sonoran Desert Field Guide
Sonoran Desert Places
Sonoran Desert Naturalist Home Page


Copyright Michael J. Plagens, page created 6 Oct. 2009