Genus: Philadelphus

By Science Staff

Not peer reviewed

Last Modified 04/08/2013

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Philadelphus L., Sp. Pl. 470. 1753. Gen. Pl. 211. 1754. Syringa Mill., Gard. Dict. Abr. ed. 4. 1754, nom. illeg. (Art. 53.1). LECTOTYPE: Philadelphus coronarius L., designated by Small & Rydberg (1905).

Key to the species of Philadelphus

1. Flowers and fruits 5 or more in a determinate raceme; leaves pubescent beneath in axils of veins, along veins, and extending onto blade...Philadelphus coronarius
1. Flowers and fruits in cymules of 3, or solitary; leaves pubescent beneath in axils of veins and along veins only, not extending onto blade...Philadelphus inodorus

List of Philadelphus Species

References to Philadelphus

  • Bangham, W. 1929. The chromosomes of some species of the genus Philadelphus. J. Arnold Arbor. 10: 167-9.
  • Bensel, C. R.; Palser, B. F. 1975. Floral anatomy in the Saxifragaceae sensu lato. III. Kirengeshomoideae, Hydrangeoideae, and Escallonioideae. Amer. J. Bot. 62(7): 676-87.
  • Don, D. 1826. Observations on Philadelpheae and Granateae, two new families of plants. Edinburgh New Philos. J. 1: 132-5.
  • Gelius, L. 1967. Studies concerning the floral development of the Saxifragales sensu lato with special consideration of the androeceum. Bot. Jahrb. Syst. 87: 253-303. (In German, English summary)
  • Hu, S. Y. 1954. A monograph of the genus Philadelphus. J. Arnold Arbor. 35:275-333; 36:52-109, 325-368; 37:15-90
  • Hufford, L. 1997. A phylogenetic analysis of Hydrangeaceae based on morphological data. Int. J. Plant Sci. 158: 652-72.
  • Hufford, L. 1998. Early development of androecia in polystemonous Hydrangeaceae. Amer. J. Bot. 85: 1057-1067.
  • Koehne, E. 1904. Zur Kenntnis der Gattung Philadelphus. Mitt. Deutsch. Dendrol. Ges. 13: 76-86.
  • Rickett, H. W. 1944. Inflorescence of Philadelphus. Amer. Midl. Naturalist 31: 759-62.
  • Roels, P.; Ronse Decraene, L. P.; Smets, E. F. 1997. A floral ontogenetic investigation of the Hydrangeaceae. Nordic J. Bot. 17: 235-54.
  • Schoennagel, E. 1931. Chromosomenzahl unf Phylogenie der Saxifragaceen. Bot. Jahrb. Syst. 64: 266-88.
  • Southwick, E. E. 1981. Nectar production composition energetics and pollinator attractiveness in spring flowers of western New York USA. Amer. J. Bot. 68: 994-1002.
  • Spongberg, S. A. 1972. The genera of Saxifragaceae in the southeastern United States. J. Arnold Arbor. 53: 409-498.
  • Styer, C. H.; Stern, W. L. 1979. Comparative anatomy and systematics of woody Saxifragaceae: Philadelphus. J. Linn. Soc. Bot. 79: 267-89.
  • Wright, D. 1980. Philadelphus. The Plantsman 2(2): 104-16.