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Rubiaceae
Spermacoce

not marked as a favorite taxon Spermacoce glabra Michaux. Common name: Smooth Buttonweed. Phenology: May-Oct. Habitat: Moist shores, bottomlands, riverside drawdowns, rocky riversides in the mountains, disturbed areas in the Coastal Plain. Distribution: C. MD, s. OH, c. IN, c. IL, MO, and e. KS south to s. SC, Panhandle FL, s. AL, s. MS, LA, and e. TX. Perhaps only introduced in some parts of our area; see Wieboldt et al. (1998) for discussion.

Glossary (beta!)

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, C, F, Fl5, G, GrPl, GW2, Il, K4, NcTx, RAB, S, Tn, Tx, Va, WH3, Florentin, Florentin, & Salas (2020), Rogers (2005), Ward (2011b); > Spermacoceodes glabra (Michx.) Kuntze — Bacigalupo (1972). Basionym: Spermacoce glabra Michx. 1803

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW
  • Eastern Mountains and Piedmont: FACW
  • Great Plains: FACW
  • Midwest: FACW

Heliophily ⓘ: 7

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image #1 of Spermacoce glabra© Paul Marcum source | Original Image ⭷
image #2 of Spermacoce glabra© Paul Marcum source | Original Image ⭷
image #3 of Spermacoce glabra© Paul Marcum source | Original Image ⭷
image #4 of Spermacoce glabra© Radford, Ahles and Bell | Original Image ⭷

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Horticultural Information

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