Genus Callitropsis Oerst.

Usually considered a synonym of Cupressus L.


Summary
Genus number:
20193
Last updated:
1 August 2025
Family:
Cupressaceae
Accession count:

0 (0  active, 0  available) in National Plant Germplasm System
Comments:
a rejected (nom. rej.), heterotypic synonym (Madrid ICN Art. 14.4 & App. III) of Xanthocyparis Farjon & Hiep, nom. cons.


Synonyms

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References:
  1. Adams, R. P. et al. 2009. A new genus, Hesperocyparis, for the cypresses of the Western Hemisphere (Cupressaceae). Phytologia 91:160-185. Note: accepts
  2. Barrie, F. R. 2011. Report of the General Committee: 11. Taxon 60:1211. Note: conservation proposal recommended
  3. Brummitt, R. K. 2007. Report of the Nomenclature Committee for Vascular Plants: 59. Taxon 56:1290-1291. Note: conservation proposal recommended
  4. Christenhusz, M. J. M. et al. 2011. A new classification and linear sequence of extant gymnosperms. Phytotaxa 19:65. Note: = Cupressus L.
  5. Debreczy, Z. et al. 2009. Relationships and nomenclatural status of the Nootka cypress (Callitropsis nootkatensis, Cupressaceae). Phytologia 91:140-159. Note: accepts
  6. Farjon, A. 2007. In defense of a conifer taxonomy which recognises evolution. Taxon 56:639-641. Note: discusses Little's (2006) conclusions
  7. Little, D. P. et al. 2004. The circumscription and phylogenetic relationships of Callitropsis and the newly described genus Xanthocyparis (Cupressaceae). Amer. J. Bot. 91:1872-1881. Note: accepts
  8. Little, D. P. 2006. Evolution and circumscription of the true cypresses (Cupressaceae: Cupressus). Syst. Bot. 31:461-480. Note: accepts for Xanthocyparis and all New World Cupressus
  9. Mao, K.-S. et al. 2010. Diversification and biogeography of Juniperus (Cupressaceae): variable diversification rates and multiple intercontinental dispersals. New Phytol. 188:254-272. Note: Cupressus L., sensu lato (incl. Callitropsis, Hesperocyparis, and Xanthocyparis) resolved as monophyletic
  10. Mill, R. R. & A. Farjon. 2006. (1710) Proposal to conserve the name Xanthocyparis against Callitropsis Oerst. (Cupressaceae). Taxon 55:229-230.
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomygenus?id=20193. Accessed 11 May 2026.