Hydrocotyle umbellata

Hydrocotyle umbellata
Scientific classification
Kingdom:	Plantae
Division:	Magnoliophyta - Flowering plants
Class:	Magnoliopsida - Dicotyledons
Order:	Apiales
Family:	Apiaceae ⁄ Umbelliferae
Genus:	Hydrocotyle
Species:	H. umbellata
Binomial name
Hydrocotyle umbellata L.
Natural range of Hydrocotyle umbellata from USDA NRCS Plants Database.

Common name: manyflower marshpennywort

Ecology

Habitat

Hydrocotyle umbellata can occur in swamps, around lakes, shallow water of pond pine flats, sandy peaty ditches, shallow water of flowing streams, moist sands of open flatwoods, and floodplains. It is known to occur in disturbed areas such as roadside ditches, man made ponds, wet pastures, levees, and drainage ditches (FSU Herbarium). Associated species include Eryngium prostratum, Ludwigia arcuata, Panicum hemitomon, and Bacopa (FSU Herbarium).

Pollination

The following Hymenoptera families and species were observed visiting flowers of Hydrocotyle umbellata at Archbold Biological Station (Deyrup 2015):

Halictidae: Halictus poeyi

Pompilidae: Episyron conterminus posterus

Sphecidae: Cerceris blakei, Ectemnius rufipes ais, Epinysson mellipes, Hoplisoides denticulatus denticulatus, Oxybelus emarginatus, Tachysphex apicalis, T. similis

Vespidae: Leptochilus alcolhuus, Parancistrocerus salcularis rufulus

References and notes

Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.