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

Origin/Endemic status: Native

Synonymy ⓘ: = Miller (2012); > Azalea oblongifolia Small — S13; >< Azalea viscosa L. — S, S13; > Rhododendron oblongifolium (Small) Millais — Tx, Wilson & Rehder (1921); < Rhododendron viscosum (L.) Torr. — Ar, C, F, Fl5, FNA8, G, GW2, K4, NE, NY, Pa, Va, W, WH3, WV, Horn (2019), Luteyn et al (1996); > Rhododendron viscosum (L.) Torr. var. glaucum Torr. — Tat, Wilson & Rehder (1921); > Rhododendron viscosum (L.) Torr. var. hispidum Voss — Wilson & Rehder (1921); > Rhododendron viscosum (L.) Torr. var. nitidum A.Gray — Wilson & Rehder (1921); < Rhododendron viscosum (L.) Torr. var. viscosum — RAB; > Rhododendron viscosum (L.) Torr. var. viscosum — Tat, Wilson & Rehder (1921). Basionym: Azalea viscosa L. 1753

Links to other floras: < Rhododendron viscosum - FNA8

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Wetland Indicator Status:

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

Heliophily ⓘ: 5

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image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Corey Lange, some rights reserved (CC BY-NC), uploaded by Corey Lange source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Sonnia Hill | Original Image ⭷
image of plant© Pauline Singleton, some rights reserved (CC BY-NC), uploaded by Pauline Singleton source CC-BY-NC | Original Image ⭷
image of plant© Dawn Stover, some rights reserved (CC BY-NC), uploaded by Dawn Stover source CC-BY-NC | Original Image ⭷
image of plant© Sonnia Hill | Original Image ⭷

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Horticultural Information

No horticultural data found for this taxon.