Hydrocotyle umbellata

Manyflower marshpennywort

Family: Araliaceae · Type: perennial · Native

Manyflower marshpennywort is a California native perennial found in northern Sierra Nevada Foothill, central Sierra Nevada, Central Valley, southwestern California, and southern edge of the Desert Mountains in lake margins, ponds, slow-moving streams, and marshes at elevations below 1,400 meters. Flowering from March to July, this plant produces tiny white flowers in open umbels with 10 to 60 flowers. Growing as a floating or creeping plant with spreading stems, it develops distinctive round, peltate leaves with 8 to 20 shallow, crenate lobes. Its leaves are particularly notable for their unique shape, with petioles 0.5 to 4.5 centimeters long and blades 1 to 5 centimeters wide that create a distinctive circular form. The small fruits are elliptic, measuring 1 to 2 millimeters long with obtuse ribs.

Habitat: Lake margins, ponds, slow-moving streams, marshes

Bloom period: Mar-Jul

Elevation: < 1400 m

Bioregions: n SNF (scattered), c SNH, GV, SW (exc ChI, WTR), s&ampw edge DMoj

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.