Author

Lacresha Wilkerson

Common Name

Common Names

Manyflower marshpennywort

Ecology

Electronic links

USDA, NRCS. 2007. The PLANTS Database (http://plants.usda.gov, 4 December 2007). National Plant Data Center, Baton Rouge, LA 70874-4490 USA. species profile: http://plants.usda.gov/java/profile?symbol=HYUM

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Flowering period

Mostly Summer and Fall, or year around in warm areas.

Flowers

Flowers on slender stalks to 20 mm long.  Sepals reduced, petals 5 white, stamens 5, styles 2, stylopoduim evident, ovary inferior.

Fruit

Fruits reniform, 2-3 mm broad, low ridges on the faces of the mericarps.

Geographic distribution

Nova Scotia to Minnesota,  southward to southern Florida, Oklahoma and Texas; Oregon, California; tropical America

Inflorescence

Inflorescence stalks usually equaling or somewhat exceeding the leaves. Umbels usually simple, many-flowered (rarely few-flowered), subglobose in outline.

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Leaves

Leaf blades peltate, essentially orbicular, at most about 6 or 7 cm broad, commonly much smaller, shallowly crenate-lobed to crenate.

Plant and Stem Features

Perennial, stems horizontal on or within the soil, rooting at the nodes, leaves solitary from each node.

References

Godfrey, Robert, and Jean Wooten. 1981. Aquatic and Wetland Plants of Southeastern United States Dicotyledons. 1st  edition. Athens: The University of Georgia Press, (pg.442).

Species name

Hydrocotyle umbellata L.

Wetland Indicator Status

OBL in region 2

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