Genus: Clethra

Clethra alnifolia
Clethra alnifolia   L.  -  Sweet Pepperbush

Photo © by Peter Nelson
Taken at Swarthmore, PA, 1990.

By Steven Clemants

Not peer reviewed

Last Modified 02/01/2013

Back to Clethraceae

Nomenclature

Clethra L., Sp. Pl. 1: 396. 1753. Gen. Pl. 188. 1754. Type: Clethra alnifolia L.

Key to the species of Clethra

List of Clethra Species

References to Clethra

  • Anderberg, A. A. 1994. Cladistic analysis of Enkianthus with notes on the early diversification of the Ericaceae. Nordic J. Bot. 14: 385-401.
  • Barnes, C. R. 1880. The anthers of Clethra. Bot. Gaz. 5: 104-5.
  • Battacharya, M.; Primack, R. B.; Gerwein, J. 2003. Are roads and railroads barriers to bumblebee movement in a temperate suburban conservation area? Biol. Conserv. 109: 37-45.
  • Britton, Elizabeth G. 1916. Clethra alnifolia. Addisonia 1: 23.
  • Coladoanto, M. 1991. Clethra alnifolia. ()
  • Dirr, M. A. 1991. Sweet pepperbush: a summer sensation. Arnoldia (Jamaica Plain) 51: 18-21.
  • Ehrenfeld, J. G. 1995. Microtopography and vegetation in Atlantic white cedar swamps: the effects of natural disturbances. Canad. J. Bot. 73(3): 474-84.
  • Ehrenfeld, J. G. 1986. Wetlands of the New Jersey Pine Barrens: the role of species composition in community function. Amer. Midl. Naturalist 115: 301-13.
  • Ehrenfeld, J. G.; Gulick, M. 1981. Structure and dynamics of hardwood swamps in the New Jersey Pine Barrens: contrasting patterns in trees and shrubs. Amer. J. Bot. 68: 471-81.
  • Fior, S.; Karis, P. O.; Anderberg, A. A. 2003. Phylogeny, taxonomy, and systematic position of Clethra (Clethraceae, Ericales) with notes on biogeography: evidence from plastid and nuclear DNA sequences. Int. J. Plant Sci. 164: 997-1006.
  • Greene, D. F.; Johnson, E. A. 1994. Estimating the mean annual seed production of trees. Ecology 75: 642-7.
  • Hagerup, O. 1928. Morphological and cytological studies of Bicornes. Dansk Bot. Ark. 6: 1-27.
  • Hancy, A. J. 1916. The vascular anatomy of certain Ericaceous flowers. M.A. Thesis Cornell Univ., Ithaca, NY37 figs. + 20 p.
  • Handy, L. H. 1907. A pink-petaled form of Clethra alnifolia. Rhodora 9: 195-6.
  • Hemingson, J. C. 1986. The pollination biology of Clethra alnifolia L. (Clethraceae). Ph.D. Dissertation University of Connecticut, Storrs138 p.
  • Hu, S. Y. 1960. A Revision of the Genus Clethra in China. J. Arnold Arbor. 41: 164-90.
  • Jordan, R. A. 1993. The ecology of Clethra alnifolia L. (Clethraceae) in wetland forests of Central New Jersey. Ph.D. Dissertation Rutgers Univ., New Brunswick, NJ232 p.
  • Jordan, R. A.; Hartman, Jean Marie 1995. Safe sites and regeneration of Clethra alnifolia L. (Clethraceae) in wetland forests of central New Jersey. Amer. Midl. Naturalist 133: 112-23.
  • Jordan, R. A.; Hartman, Jean Marie 1996. Effects of canopy opening on recruitment in Clethra alnifolia L. (Clethraceae) populations in central New Jersey wetland forests. Bull. Torrey Bot. Club 123: 286-94.
  • Kavaljian, L. G. 1952. The floral morphology of Clethra alnifolia with some notes on C. acuminata and C. arborea. Bot. Gaz. 113(4): 392-413.
  • Kron, K. A. 1996. Phylogenetic relationships of Empetraceae, Epacridaceae, Ericaceae, Monotropaceae, and Pyrolaceae: evidence from nuclear ribosomal 18s sequence data. Ann. Bot. (UK) 77(4): 293-303.
  • Lechner, S. 1914. Anatomical investigation of the genera Actinidia, Surauia, Clethra and Clematoclethra with special consideration of their systematic positions. Beih. Bot. Centralbl. 32: 431-67. (In German)
  • Leins, P. 1964. Entwicklungsgeschichtliche Studien an Ericales-Bluten. Bot. Jahrb. Syst. 83: 57-88. (In German)
  • Lynn, L. M.; Karlin, E. F. 1985. The vegetation of the low-shrub bogs of northern New Jersey and adjacent New York: Ecosystems at their southern limit. Bull. Torrey Bot. Club 112: 436-44.
  • Peltrisot, C-N. 1904. Developpement et structure de la graine chez les Ericacees. J. Bot. (Morot) 18: 309-67, 386-402. (In French)
  • Philpott, J. 1956. Blade tissue organization of foliage leaves of some Carolina shrub-bog species as compared with their Appalachian Mountain affinities. Bot. Gaz. 118(2): 88-105.
  • Sleumer, H. 1967. Monographia Clethracearum. Bot. Jahrb. Syst. 87: 36-175.
  • Stone, W. 1912. The Plants of Southern New Jersey.. Annual Rep. New Jersey State Mus. 1910: 25-828, pl. 1-124. (Reprinted 1973 by Quarterman Publications, Boston. ISBN 0-88000-009-0)
  • Stricker, M. H. 1946. Clethra alnifolia: the honey is of fine quality. Gleanings in Bee Culture 74: 325-6.
  • Thomas, J. L. 1961. The genera of the Cyrillaceae and Clethraceae of the southeastern United States. J. Arnold Arbor. 42: 96-106.
  • Wherry, Edgar T. 1920. Observations on the soil acidity of Ericaceae and associated plants in the Middle Atlantic states. Proc. Acad. Nat. Sci. Philadelphia 72: 84-111.
  • Wilbur, R. L.; Hespenheide, H. A. 1967. The genus Clethra (Clethraceae) in the United States. J. Elisha Mitchell Sci. Soc. 83: 82-88.