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Rhododendron maximum Linnaeus. Common name: Great Laurel, White Rhododendron, Great Rhododendron. Phenology: Jun-Aug; Sep-Oct. Habitat: Moist slopes, wet flats, bogs, swamps, north-facing bluffs in the Piedmont. Distribution: Largely Appalachian: ME, NY, and OH south to GA and AL, primarily in the mountains.

Origin/Endemic status: Native

Taxonomy Comments: Apparently most closely related to R. ponticum Linnaeus of Turkey and vicinity (Milne 2004).

Synonymy ⓘ: = C, Can, F, FNA8, G, K4, NE, NY, Pa, RAB, S, S13, Tat, Tn, Va, W, WV, Chamberlain (1982), Horn (2019), Luteyn et al (1996). Basionym: Rhododendron maximum L. 1753

Links to other floras: = Rhododendron maximum - FNA8

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FAC
  • Eastern Mountains and Piedmont: FAC
  • Midwest: FAC
  • Northcentral & Northeast: FAC

Heliophily ⓘ: 3

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image of plant© Keith Bradley | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷
image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Alan Cressler: Rhododendron maximum 'red max', Pisgah National Forest, McDowell County, North Carolina 1 by Alan Cressler source | Original Image ⭷
image of plant© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷
image of plant© Grant Morrow Parkins | Original Image ⭷
image of plant© Scott Ward, some rights reserved (CC BY), uploaded by Scott Ward source CC-BY | Original Image ⭷
image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Alan Cressler: Rhododendron maximum 'red max', Pisgah National Forest, McDowell County, North Carolina 2 by Alan Cressler source | Original Image ⭷
image of plant© Edwin Bridges | Original Image ⭷

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Horticultural Information

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native range: eastern North America



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