Common Threeseed Mercury
Acalypha rhomboidea
Found in woodlands, disturbed ground. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
Native to West Virginia. How scores work Is it native here?
Profile 94%
- Height
- 8–24 inches
- Light
- Full sun, Partial shade
- Soil moisture
- Somewhat dry to moist

At a glance
- Life cycle
- Annual
- Bloom
- June to November
Not yet recorded · Spread · Leaves
Recorded in 18 West Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Forest or woodland where the source does not say how moist or dry.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in West Virginia. Shared habitat, not food. 74 animals.
- Yellow-crowned Night-heronNyctanassa violacea
- Yellow-throated WarblerDendroica dominica
Widespread birds also seen here (45)
Found in many habitats here, so not listed above.
- Alder Flycatcher
- American Crow
- American Goldfinch
- American Kestrel
- American Redstart
- American Robin
- Belted Kingfisher
- Black-billed Cuckoo
- Blue Grosbeak
- Blue Jay
- Blue-gray Gnatcatcher
- Cedar Waxwing
- Chimney Swift
- Chipping Sparrow
- Common Nighthawk
- Common Raven
- Common Yellowthroat
- Cooper's Hawk
- Eastern Kingbird
- Eastern Towhee
- European Starling
- Gray Catbird
- Great Crested Flycatcher
- Great Horned Owl
- Least Flycatcher
- Mourning Dove
- Northern Cardinal
- Northern Flicker
- Northern Mockingbird
- Olive-sided Flycatcher
- Orange-crowned Warbler
- Osprey
- Purple Finch
- Red-tailed Hawk
- Red-winged Blackbird
- Ruby-crowned Kinglet
- Sharp-shinned Hawk
- Spotted Sandpiper
- Tufted Titmouse
- Turkey Vulture
- Veery
- White-throated Sparrow
- Wild Turkey
- Yellow-breasted Chat
- Yellow-rumped Warbler
Who uses this plant?
5CaterpillarsGenus host records with ranges including WV
Genus host records with ranges including WV · Acalypha
- Acharia stimuleaSaddleback Caterpillar Moth
- Diaphania hyalinataMelonworm Moth
- Orthonama obstipataThe Gem
- Scopula limboundataLarge Lace-Border
- Spodoptera frugiperdaFall Armyworm Moth
7BirdsRecorded eating Acalypha in West Virginia
Diet records by plant genus, from studies across North America. Not a record from this state. Birds whose range includes West Virginia, most records first.
- Chipping SparrowSeeds. 3 diet records
- Field SparrowSeeds. 2 diet records
- Mourning Dove2 diet records
- American Pipit1 diet record
- Brown-headed Cowbird1 diet record
- Hermit ThrushFruit and seeds. 1 diet record
- Red-winged Blackbird1 diet record
Direct food only. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Birds that eat Acalypha 7
Diet records by plant genus, from studies across North America. Not a record from this state. Avian Diet Database (Hurlbert Lab), CC0 1.0.
- Chipping SparrowSpizella passerina
- Field SparrowSpizella pusilla
- Mourning DoveZenaida macroura
- American PipitAnthus rubescens
- Brown-headed CowbirdMolothrus ater
- Hermit ThrushCatharus guttatus
- Red-winged BlackbirdAgelaius phoeniceus
Plant details
- Family
- Euphorbiaceae
- Flower color
- Green
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “Late June to November” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “Green” · Lady Bird Johnson Wildflower Center
- Height · “8–24 inches” · Minnesota Wildflowers
- Life cycle · “Annual” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
- primary_flower_color · “green” · Lady Bird Johnson Wildflower Center
- Soil · “Moist; Occasionally dry” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
Also known as
Common Three Seeded Mercury
Conservation status
| West Virginia rank | S5 |
|---|---|
| Global rank | G5 |
| WV status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- NatureServe Explorer
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025)
- West Virginia occurrence source
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications










