Details for: PI 539490, Citrus ×aurantium L. var. racemosa (Risso) ined., 'REX UNION'


Summary Data
Taxonomy:
Citrus ×aurantium L. var. racemosa (Risso) ined.
Cultivar:
'REX UNION'
Origin:
Donated – California, United States
Received by NPGS:
01 Jan 1985
Improvement Status:
Cultivar
Form Received:
Cutting
Life Form:
Tree
Life Habit:
Tree
Availability
FormQuantityNoteInventoryCart
Plant1 countPlease use comment field to indicate germplasm type being requested and quantity. PI 539490 PL
 
Restrictions
Plant material may be subject to additional regulations
https://www.nationalplantboard.org/uploads/1/3/6/7/136771235/louisianas_laws_and_regulations_npb_website_april_2023_tp.pdf
  • USA – Louisiana (as Citrus paradisi; see state regulation: Citrus Canker Quarantine)
https://www.nationalplantboard.org/uploads/1/3/6/7/136771235/texas_-plant_protection_regulations.pdf
  • USA – Texas (as Citrus paradisi"; See state regulation: Caribbean Fruit Fly)
Images (1 total. Click on image for more.)

FRUIT

Core Passport Data
Taxonomy:
Citrus ×aurantium L. var. racemosa (Risso) ined.
Cultivar:
'REX UNION'
Origin:
Donated – California, United States
Received by NPGS:
01 Jan 1985
Improvement Status:
Cultivar
Form Received:
Cutting
Life Form:
Tree
Life Habit:
Tree
Source History
Donated
01 January 1985.
California, United States
Comment: Citrus and Citrus relative accessions at the Repository in Riverside without PI numbers.
Donor(s):
Accession Names and Identifiers
'REX UNION'
Type: Cultivar name

Rex Union grapefruit
Type: Local name

RCRC 3962
Type: Donor identifier

Narrative
In South Africa not grown on commercial scale; not vigorous; fruit large like grapefruit, roundish, reddish-orange; makes top quality marmalade, not eaten as fresh fruit.
Citrus ×aurantium L. var. racemosa (Risso) ined.
Genus:
Citrus
Family:
Rutaceae
Subfamily:
Aurantioideae
Tribe:
Aurantieae
Subtribe:
Citrinae
Nomen number:

488416
Comment:
epithet with priority at variety rank for taxon, combination not yet made
Verified:
Name not verified.
Other conspecific taxa
Citrus ×aurantium L. (134 active accession[s])
Citrus ×aurantium L. var. aurantium (5 active accession[s])
Citrus ×aurantium L. var. chrysocarpa (Hassk.) ined. (88 active accession[s])
Citrus ×aurantium L. var. sinensis L. (324 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
Homotypic Synonym(s)
Citrus pompelmos Risso var. racemosus Risso

Heterotypic Synonym(s)
Common names
LanguageNameAlternate namenoteseqCitation
Englishgrapefruit  1Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL. Note: as Citrus ×paradisi
Englishhassaku orange as Citrus hassaku1Tanaka, T. 1954. Species problem in Citrus: a critical study of wild and cultivated units of Citrus, based upon field studies in their native homes. In: Tanaka, T., Revisio Aurantiacearum. 9:120. Note: lists as "hassaka" as Citrus hassaku
EnglishJapanese summer grapefruit  1Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 Note: as Citrus natsudaidai
Englishkinkoji as Citrus obovoidea1Tanaka, T. 1954. Species problem in Citrus: a critical study of wild and cultivated units of Citrus, based upon field studies in their native homes. In: Tanaka, T., Revisio Aurantiacearum. 9:121. Note: as Citrus ×obovoidea
EnglishNaruto orange as Citrus medioglobosa1Tanaka, T. 1954. Species problem in Citrus: a critical study of wild and cultivated units of Citrus, based upon field studies in their native homes. In: Tanaka, T., Revisio Aurantiacearum. 9:121. Note: as Citrus medioglobosa
Frenchpomelo  2Hackett, C. & J. Carolane. 1982. Edible Horticultural Crops Academic Press. Note: as Citrus ×paradisi
GermanGrapefruit  2Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Citrus ×paradisi
GermanParadisapfel  2Reichel, S. 1998. pers. comm. Note: re. German common names as Citrus ×paradisi
Japanese Rōmajikikudaidai as Citrus medioglobosa2Bhusal, R. C. et al. 2002. Selection of rootstocks for flooding and drought tolerance in citrus species. Pakistan J. Biol. Sci. 5:509-512. Note: as Citrus medioglobosa
Japanese Rōmajikinukawa as Citrus glaberrima2Tanaka, T. 1954. Species problem in Citrus: a critical study of wild and cultivated units of Citrus, based upon field studies in their native homes. In: Tanaka, T., Revisio Aurantiacearum. 9:119. Note: as Citrus ×glaberrima
Japanese RōmajiNaruto-mikan as Citrus medioglobosa2Bhusal, R. C. et al. 2002. Selection of rootstocks for flooding and drought tolerance in citrus species. Pakistan J. Biol. Sci. 5:509-512. Note: as Citrus medioglobosa
Japanese Rōmajinatsu-daidai  2Walker, E. 1976. Flora of Okinawa and the southern Ryukyu Islands. Note: as Citrus natsudaidai
Japanese Rōmajinatsu-mikan  2Iwatsuki, K. et al. 1993-. Flora of Japan. Note: as Citrus natsudaidai
Japanese Rōmajisanbokan as 2Tanaka, T. 1954. Species problem in Citrus: a critical study of wild and cultivated units of Citrus, based upon field studies in their native homes. In: Tanaka, T., Revisio Aurantiacearum. 9:122. Note: as Citrus ×sulcata
Portuguesepomelo  2Hackett, C. & J. Carolane. 1982. Edible Horticultural Crops Academic Press. Note: as Citrus ×paradisi
Spanishpomelo  2Hackett, C. & J. Carolane. 1982. Edible Horticultural Crops Academic Press. Note: as Citrus ×paradisi
Spanishpomelo japonés de verano  2Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 Note: as Citrus natsudaidai
Spanishtoronja  2Soukup, J. 1970. Vocabulario de los nombres vulgares de la flora peruana. 84. Note: as Citrus ×paradisi
Transcribed Chineseyuan you  2Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 Note: as Citrus ×paradisi
unknownattani as Citrus rugulosa2Singh, R. & N. Nath. 1969. Practical approach to the classification of Citrus. In: H. D. Chapman (ed.), Proceedings of the First International Citrus Symposium. 1:439. Note: as Citrus ×rugulosa
Annotations
  • Nomenclature Name Change: 06 Mar 2020, from Citrus ×paradisi Macfad. to Citrus ×aurantium L. var. racemosa (Risso) ined.
Other Links
Actions
Pathogens
Vouchers
Citations
Pedigree