Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Malpighiales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Acalypha rhomboidea
FAMILY
Euphorbiaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Common Threeseed Mercury at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Acalypha rhomboidea
FAMILY
Euphorbiaceae
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 12 (2016)
Acalypha rhomboidea
SYNONYMOUS WITH World checklist of Euphorbiaceae (Govaerts, Frodin & Radcliffe-Smith, 2000)
Acalypha virginica var. rhomboidea
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 107-04-003:
Acalypha rhomboidea FAMILY Euphorbiaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Acalypha rhomboidea
COMMON NAME:
Common Threeseed Mercury, Rhombic Copperleaf
To see larger pictures, click or hover over the thumbnails.
)
JK Marlow jkm140711_740
July Greenville County SC
Swamp Rabbit Trail
)
JK Marlow jkm140711_741
July Greenville County SC
Swamp Rabbit Trail
Flowers in axillary inflorescences; in each, staminate above, pistillate below, per Weakley's Flora.
)
JK Marlow jkm140711_748
July Greenville County SC
Swamp Rabbit Trail
Leaves crenate, with 2 prominent lateral veins from base, parallel to midrib, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm120825_941
August Greenville County SC
Jones Gap State Park
Leaves rhombic-ovate to rhombic-lanceolate, apex obtuse, margin crenate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm120825_988
August Greenville County SC
Jones Gap State Park
)
JK Marlow jkm120827_034
August Greenville County SC
Pistillate bract lobes lanceolate to triangular, 1/3-2/3 bract length, per Flora of North America.
)
JK Marlow jkm120827_047
August Greenville County SC
Petioles of principal leaves 1-8cm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm120827_051
August Greenville County SC
Petioles of the larger leaves regularly more than half as long as blades, per Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist, 1991).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Acalypha rhomboidea
FAMILY
Euphorbiaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Acalypha rhomboidea
FAMILY
Euphorbiaceae
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 12
Acalypha rhomboidea
SYNONYMOUS WITH
World checklist of Euphorbiaceae (Govaerts, Frodin & Radcliffe-Smith, 2000)
Acalypha virginica var. rhomboidea
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 107-04-003:
Acalypha rhomboidea
FAMILY
Euphorbiaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Acalypha rhomboidea
3563
Forb
Annual
Monoecious
Habitat: woodlands, disturbed ground, per Weakley's Flora
Native to the Carolinas & Georgia
Common
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
DOES THE PLANT HAVE "MILKY SAP"?
Does not have milky sap
IS THE PLANT "ARMED"?
Stinging trichomes absent
LEAVES:
Simple
Alternate
Petioles 0.4-7cm long
FLOWER:
Summer/Fall
3-5 sepals in pistillate flowers, 4 sepals in staminate flowers
Petals absent
4-8(-16?) stamens in staminate flowers
Unisexual
FRUIT:
Summer/Fall
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p466
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p046
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p177
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