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Pilea microphylla (Linnaeus) Liebmann. Rockweed, Artilleryweed. Phen: Jan-Dec. Hab: Marl prairies, hammocks, pine rocklands, old rock and brick walls, urban areas, hammocks, especially in thin soil over limestone. Dist: FL (perhaps more widespread as a native in the Southeastern US than just FL); West Indies; Mexico, Central America, and South America. Although listed by RAB for the Carolinas as "a weed in and around greenhouses, not established as part of our flora", this species is well-established and weedy in Charleston, SC and Savannah, GA. Native at least in FL, and perhaps further north, the original distribution unclear.

Origin/Endemic status: Native

Synonymy: = Ar, Bah, FNA3, K1, K3, K4, Mex, RAB, S, WH3; = Adicea microphylla (L.) Kuntze – S13; = n/a – C, F, G, Va; > Pilea microphylla (L.) Liebm. var. microphylla – WI

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACU
  • Eastern Mountains and Piedmont: FAC
  • Midwest: FAC
  • Northcentral & Northeast: FAC

Heliophily: 6

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image of plant© Aidan Campos source | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Aidan Campos source | Original Image ⭷


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