Taxon:  Rhododendron maximum L.



Summary
Genus:
Rhododendron
Subgenus:
Hymenanthes
Section:
Ponticum
Family:
Ericaceae
Subfamily:
Ericoideae
Tribe:
Rhodoreae
Nomen number:
31441
Place of publication:
Sp. pl. 1:392.  1753
Verified:
06/06/1995 ARS Systematic Botanists.
Accessions:
35 (33  active, 18  available) in National Plant Germplasm System.  (Map it)
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Images (1 total. Click on image for more.)
Seed

Conservation Status

Reference(s)
  1. Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
  2. Chamberlain, D. F. 1982. A revision of Rhododendron II. Subgenus Hymenanthes. Notes Roy. Bot. Gard. Edinburgh 39:316.
  3. Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
  4. Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
  5. Kartesz, J. T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland.
  6. Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada.
  7. Krüssmann, G. 1984. Manual of cultivated broad-leaved trees and shrubs (English translation of Handbuch der Laubgehölze. 1976) Note: "little garden merit"
  8. Luteyn, J. L. et al. 1996. Ericaceae of the southeastern United States. Castanea 61:119.
  9. Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol.
  10. Seymour, F. 1969. The flora of New England.
  11. Terrell, E. E. et al. 1986. Agricultural Handbook no. 505
  12. Walters, S. M. et al., eds. 1986-2000. European garden flora.
  13. Wofford, B. E. Database of Tennessee vascular plants (on-line resource).
Common names
Language Name Alternate name note seq Citation
English great rhododendron     1 Terrell, E. E. et al. 1986. Agricultural Handbook no. 505
English great-laurel     1 Luteyn, J. L. et al. 1996. Ericaceae of the southeastern United States. Castanea 61:119.
English rose bay     1 Luteyn, J. L. et al. 1996. Ericaceae of the southeastern United States. Castanea 61:119.
Swedish sommarrododendron     2 Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Distribution
order_code Status Continent Subcontinent Country State Note
1 Native Northern America Eastern Canada Canada Nova Scotia  
1 Native Northern America Northeastern U.S.A. United States Connecticut  
1 Native Northern America Northeastern U.S.A. United States Maine  
1 Native Northern America Northeastern U.S.A. United States Massachusetts  
1 Native Northern America Northeastern U.S.A. United States New Hampshire  
1 Native Northern America Northeastern U.S.A. United States New Jersey  
1 Native Northern America Northeastern U.S.A. United States New York  
1 Native Northern America Northeastern U.S.A. United States Ohio  
1 Native Northern America Northeastern U.S.A. United States Pennsylvania  
1 Native Northern America Northeastern U.S.A. United States Rhode Island  
1 Native Northern America Northeastern U.S.A. United States Vermont  
1 Native Northern America Northeastern U.S.A. United States West Virginia  
1 Native Northern America Southeastern U.S.A. United States Alabama  
1 Native Northern America Southeastern U.S.A. United States Georgia  
1 Native Northern America Southeastern U.S.A. United States Kentucky  
1 Native Northern America Southeastern U.S.A. United States Maryland  
1 Native Northern America Southeastern U.S.A. United States North Carolina  
1 Native Northern America Southeastern U.S.A. United States South Carolina  
1 Native Northern America Southeastern U.S.A. United States Tennessee  
1 Native Northern America Southeastern U.S.A. United States Virginia  
Native
Northern America
  • EASTERN CANADA: Canada [Nova Scotia]
  • NORTHEASTERN U.S.A.: United States [Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia]
  • SOUTHEASTERN U.S.A.: United States [Alabama, Georgia, Kentucky, Maryland, North Carolina, South Carolina, Tennessee, Virginia]
Economic Uses
Usage Type Note Reference
Vertebrate poisons mammals   Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada.
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2024. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=31441. Accessed 22 May 2024.