General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Annual
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Dry Mesic
Plant Height: 8 to 24 inches
Flowers: Inconspicuous
Flower Color: Other: Copper-colored bracts
Bloom Size: Under 1"
Flower Time: Summer
Underground structures: Taproot
Uses: Groundcover
Will Naturalize
Wildlife Attractant: Birds
Resistances: Drought tolerant

Common names
  • Common Threeseed Mercury
  • Rhomboid Copperleaf
  • Diamond Three-Seeded Mercury
  • Rhomboid Mercury
  • Virginia Threeseed Mercury
Botanical names
  • Accepted: Acalypha virginica var. rhomboidea
  • Synonym: Acalypha rhomboidea

  • Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Mar 4, 2018 6:14 PM concerning plant:
    This member of the Spurge Family (Euphorbiaceae) is actually a woodland annual forb native from Iowa to Massachusetts and then southward into the South US. It bears tiny petal-less flowers that are green from late summer into autumn. It is a very common plant in shady locations and it is often considered a weed and is pulled out of the ground in many gardens and landscapes, and I have done that a lot in the past. My Field Guide to Wildflowers by Peterson & McKenny calls it Three-seeded Mercury as Acalypha virginiana.

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