Jepson Flora Project: Jepson Interchange for California Floristics    
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Opuntia ×occidentalis Engelm. & J.M. Bigelow
CACTACEAE
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Information from the Index of California Plant Names (ICPN)
Current Jepson Flora Project Misapplied Names Opuntia ficus-indica (L.) Mill., in part
Initial Editorial Analysis 7 Apr 2011
Source of Report for California The Jepson Manual [Ed. 1]
Correspondence and Comments Subsequent to Initial Analysis
Correspondence 1 16 Jun 2009 e-mail from Jeff Greenhouse see Comment 1
Editorial Comments 1 Correspondence 1 indicates: that Opuntia occidentalis was published by Engelmann and John M. Bigelow (Engelm. & J.M. Bigelow in Authors of Plant Names) in Pacific Railr. Rep. 4(pt. 5 [no. 3]) 38 (55; t. 7) (1856); that the citation Engelm. & J.M. Bigelow applies to the hybrid form of the name as well as the non-hybrid form; and that references to publication of the name Opuntia occidentalis by Engelmann in Proceedings of the American Academy of Arts and Sciences 3:291 (1856) appear to be incorrect because he referred to the taxon as a subspecies, although it isn't clear that he actually made the combination based on Opuntia occidentalis Engelm. & J.M. Bigelow. [Therefore, author citation corrected to Opuntia X occidentalis Engelm. & J.M. Bigelow, from Opuntia X occidentalis Engelm. previously in this Index, 21 Dec 2010.]
Correspondence 2 Treatment and author notes submitted for The Jepson Manual [Ed. 2] see Comment 2
Editorial Comments 2 Correspondence 2 indicates that for The Jepson Manual [Ed. 2] Opuntia X occidentalis Engelm. & J.M. Bigelow, as Opuntia occidentalis Engelm. & J.M. Bigelow, is to be treated as a name that has been misapplied in California to plants belonging instead to Opuntia littoralis (Engelm.) Cockerell. [However, Opuntia X occidentalis Engelm. & J.M. Bigelow also is recognized and treated as native to CA, so its misapplication to plants belonging instead to Opuntia littoralis (Engelm.) Cockerell evidently is only in part. Also, Opuntia ficus-indica (L.) Mill also is recognized and treated as native to CA, so its misapplication to plants belonging instead to Opuntia X occidentalis Engelm. & J.M. Bigelow also evidently is only in part.]
Editorial Summary and Current Status
Current Status JFP-1, accepted name for taxon native to CA
Current Status Authority The Jepson Manual [Ed. 2]
Current Status Date 7 Apr 2011
List of names for this Current Status category
List of ICPN names in Opuntia
List of names from ICPN, Hrusa's Crosswalk, and Jepson Flora

Resources of the Jepson Flora Project: External links:
·Distribution maps: County distribution based on CCH specimens
Manual imageJepson eFlora
link image ·Consortium of California Herbaria specimen records (includes links to BerkeleyMapper)
· Jepson eFlora page with bioregion map and CCH specimen records
Manual imageArchived Indexes from The Jepson Manual (1993; TJM1)
link image Jepson's "A Flora of California" (genus)
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