Common Three-Seeded Mercury vs Field copperleaf

Acalypha rhomboidea compared with Acalypha arvensis

Taxonomic Classification

Rank	Common Three-Seeded Mercury	Field copperleaf
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Magnoliophyta (被子植物門)	Magnoliophyta (被子植物門)
Class same	Magnoliopsida (モクレン綱)	Magnoliopsida (モクレン綱)
Order same	Malpighiales (キントラノオ目)	Malpighiales (キントラノオ目)
Family same	Euphorbiaceae	Euphorbiaceae
Genus same	Acalypha	Acalypha
Species	Acalypha rhomboidea	Acalypha arvensis

Evolutionary Relationship

Common Three-Seeded Mercury and Field copperleaf share a common ancestor at the Genus level: Acalypha.

Conservation Status

Common Three-Seeded Mercury

NE — Not Evaluated

Field copperleaf

NE — Not Evaluated

Physical Characteristics

Attribute	Common Three-Seeded Mercury	Field copperleaf
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Three-Seeded Mercury

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Belgium, Canada, Portugal, and United States.

Field copperleaf

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Brazil, Colombia, and United States.

Common Three-Seeded Mercury

<em>Acalypha rhomboidea</em>, the common three-seeded mercury, is an annual herbaceous plant in the family Euphorbiaceae, native to eastern North America and recorded from Belgium, Canada, Portugal, and the United States. It is Not Evaluated on the IUCN Red List. The plant is a common weed of disturbed habitats, cultivated fields, gardens, roadsides, and forest edges, typically growing in moist, nitrogen-rich soils. It bears rhombic to ovate leaves and small, inconspicuous flowers arranged in slender spikes, with the name reflecting the typically three-seeded fruits. As a wind-pollinated annual, it produces abundant small seeds that disperse readily. The plant has a relatively short growing season, germinating in late spring, setting seed by late summer, and senescing by autumn. It has no significant economic value but contributes to local biodiversity as a host plant for certain herbivorous insects. Biological traits such as precise plant height range, seed output, and biomass data remain poorly documented in standardized scientific assessments.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States