Acalypha rhomboidea
species of plant
Acalypha rhomboidea is an annual plant in the spurge family, Euphorbiaceae. It is known by the common names common three-seeded mercury, rhombic three-seeded-mercury, rhomboid mercury, copperleaf, rhombic copper-leaf, three-seeded-mercury, ricinelle rhomboide, and diamond threeseed mercury. Synonyms include Acalypha urticifolia Raf., Acalypha virginica L. forma intermedia Millsp., Acalypha virginica L. var. rhombifolia Riddell, Acalypha virginica L. var. rhomboidea (Raf.) Cooperr..
The species name rhomboidea means "diamond-shaped", and describes the leaves.
Description
Common three-seeded mercury is an annual herbaceous plant. It grows from a taproot, reaching 15–60 cm (1⁄2–2 ft) tall, and is usually without branches. The central stem can be either covered with fine white hairs or hairless. The lanceolate to lanceolate-rhombic acute leaves are alternate with slightly hairy petioles about 4 cm (1+1⁄2 in) long, bluntly serrated margins, and pinnate venation.
This brief starts where responsible research should: with the source description of “Acalypha rhomboidea” as species of plant. Everything that follows is an evidence route, not borrowed authority.
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The subject matters to the science & nature register because the source frames it as species of plant. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Jul 21, 2026. The linked authority identifier is Q4671695. None of the 0 selected statements returned an explicit reference.
Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Acalypha rhomboidea” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.