Flora of the Southeastern United States
2022 Edition


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Rhododendron viscosum (Linnaeus) Torrey var. viscosum . Swamp Azalea, Clammy Azalea. Phen: Jun-Jul; Jul-Oct. Hab: Moist streambanks, shrub balds, and other moist habitats. Dist: ME and MY, WV, e. TN, n. AR, and ne. OK, south to c. peninsular FL and e. TX.

Origin/Endemic status: Native

Syn: >< Azalea viscosa – S; > Rhododendron oblongifolium – Tx; < Rhododendron viscosum – Ar, C, F, Fl5, FNA8, G, GW2, K1, K3, K4, NE, NY, Pa, Va, W, WH3, WV, Horn (2019), Luteyn et al (1996); < Rhododendron viscosum var. viscosum – RAB

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image of plant© Corey Lange, some rights reserved (CC BY-NC), uploaded by Corey Lange source CC-BY-NC, permission granted to NCBG
image of plant© Pauline Singleton, some rights reserved (CC BY-NC), uploaded by Pauline Singleton source CC-BY-NC
image of plant© Dawn Stover, some rights reserved (CC BY-NC), uploaded by Dawn Stover source CC-BY-NC