Gonolobus suberosus (Linnaeus) R. Brown var. suberosus . Common name: Eastern Anglepod. Phenology: Apr-Sep; Jul-Nov. Habitat: Mesic to wet forests and thickets. Distribution: E. MD south to s. peninsular FL, west to s. MS, inland to nw. GA and c. KY; disjunct in c. AR (Saline County).

Origin/Endemic status: Endemic

Taxonomy Comments: Rosatti (1989) and Drapalik (1969) expressed considerable doubt about whether two species should be recognized; their view, supporting the recognition of a single species in our area, is followed here for now. However, studies by Krings & Xiang (2004, 2005) suggested that two entities should be circumscribed at the varietal level. Drapalik (1969) considered the basionym "suberosa" as not applicable to Matelea of North America; Reveal & Barrie (1992) lectotypified the name, resulting in it applying to our material. The epithet "suberosus" has priority over "gonocarpus".

Synonymy ⓘ: = FNA14, K4, Va, Krings & Xiang (2005), Krings (2008); Cynanchum suberosum L. = Gonolobus gonocarpus (Walter) L.M.Perry — Rosatti (1989); = Matelea gonocarpa (Walter) Shinners — Drapalik (1969); = n/a — Tat; > Gonolobus gonocarpos (Walter) L.M.Perry — G; > Gonolobus gonocarpus (Walter) L.M.Perry — F; < Gonolobus suberosus (L.) R.Br. — Fl5, Tn, WH3; > Gonolobus suberosus (L.) R.Br. — F, Lipow & Wyatt (1998); > Matelea gonocarpa (Walter) Shinners — C, RAB, W; < Matelea gonocarpos (Walter) Shinners; > Matelea suberosa (L.) Shinners — C, RAB, W; < Vincetoxicum gonocarpos Walter — S; > Vincetoxicum suberosum (L.) Britton — S. Basionym: Cynanchum suberosum L. 1753

Links to other floras: = Gonolobus suberosus var. suberosus - FNA14

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACW (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: FACW (taxonomic split from wetland indicator species)
• Great Plains: FACW (taxonomic split from wetland indicator species)
• Midwest: FACW (taxonomic split from wetland indicator species)

Heliophily ⓘ: 6