Rhododendron serrulatum (Small) Millais. Swamp Azalea, Clammy Azalea. Phen: Apr-Jun; Jul-Oct. Hab: Bogs, pocosins, wet pine savannas. Dist: S. GA south to c. peninsular FL, west to e. LA. Its distribution northwards into the Carolinas and se. VA is uncertain.

Origin/Endemic status: Endemic

Taxonomy Comments: This taxon seems to warrant specific rank, based on morphology and distribution. It is sometimes treated at variety rank or lumped into R. viscosum (see synonymy).

Synonymy: = C, F, G; = Azalea serrulata Small – S; = Rhododendron viscosum (L.) Torr. var. serrulatum (Small) H.E.Ahles – RAB, Miller (2012); > Rhododendron serrulatum (Small) Millais var. georgianum Rehder – Wilson & Rehder (1921); > Rhododendron serrulatum (Small) Millais var. serrulatum – Wilson & Rehder (1921); < Rhododendron viscosum (L.) Torr. – Fl5, FNA8, GW2, K1, K3, Va, W, WH3, WV, Kron (1993), Luteyn et al (1996); >< Rhododendron viscosum (L.) Torr. – Horn (2019)

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: OBL (taxonomic split from wetland indicator species)
• Great Plains: FACW (taxonomic split from wetland indicator species)
• Midwest: OBL (taxonomic split from wetland indicator species)
• Northcentral & Northeast: FACW (taxonomic split from wetland indicator species)

Heliophily: 7