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World of CitrusWorld of CitrusChinotto Sour Orange
University of California, Riverside — Citrus Variety Collection
https://citrusvariety.ucr.edu/crc3857 (opens in a new tab)
Accessed
Tokurou Shimizu et al. · PLOS ONE · 2016-11-30
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0166969 (opens in a new tab)
Open-access DNA-marker study (CC BY 4.0). Apply only to the study accessions and preserve the authors’ stated identity and parentage limits; it does not by itself establish the identity of every catalog tree or clone bearing a matching cultivar name.
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lyonheart84 exotic fruit growing · YouTube
https://www.youtube.com/watch?v=pUy98uK2TxU (opens in a new tab)
Summary from transcript: Auto-generated English captions were reviewed. The speaker presents one Chinotto fruit from his outdoor tree, compares it with a separate Yuzu, reports almost no seeds (0:52–0:56), a bitter-orange aroma (1:01–1:05), and a spoken refractometer reading between 11 and 12 °Brix for the Chinotto (3:51–4:05). These are attributed observations of one fruit; the reading is a range, not a cultivar-wide value.
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Irish Fruit Growing · YouTube
https://www.youtube.com/watch?v=mPtTMOwrMKY (opens in a new tab)
Summary from transcript: Auto-generated English captions were reviewed. The speaker says he bought the tree and did not grow the three fruits shown (0:07–0:15), and declines to eat them because the supplied plant carried a pesticide warning (0:57–1:12). He describes one fruit as a little pithy and not very juicy (0:44–0:53). This is an appearance/touch report about purchased fruit, not a home-grown harvest or tasting.
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Gardenvideo.com · YouTube
https://www.youtube.com/watch?v=NWbNEbUYQcM (opens in a new tab)
Summary from transcript: Heavily mistranscribed auto-generated English captions from a Swiss fruit nursery conversation were reviewed. The Chinotto discussion begins at 3:15; at 5:47–6:18 a speaker describes the flesh as dry. This is an attributed remark from a nursery conversation with translation uncertainty, not a measured trial or cultivar-wide result.
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lyonheart84 exotic fruit growing · YouTube
https://www.youtube.com/watch?v=CjLqA6w-pYs (opens in a new tab)
Summary from transcript: Auto-generated English captions were reviewed. The speaker examines a single fruit from a plant whose seller label reportedly said mandarin, tentatively identifies the plant as Chinotto, and says he does not know whether the fruit is ripe (0:00–1:12). Because identity and maturity are uncertain, this source is retained for its attributed context only; the sample is not used to establish Chinotto traits.
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Plant Reviews UK · YouTube
https://www.youtube.com/watch?v=QFTRICFZFoo (opens in a new tab)
Summary from transcript: Auto-generated English captions for a plant overview were reviewed. The speaker says he has never tasted the fruit (12:19–12:22); the video provides context on compact myrtle-like foliage and fragrant flowers. Cultivation, origin and hardiness narration is not treated as first-hand or as tested evidence.
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Jane Squier · YouTube
https://www.youtube.com/watch?v=Xtqb79mxGLE (opens in a new tab)
Summary from transcript: Auto-generated English captions were reviewed. In a greenhouse-tour segment recorded on 2024-02-18, the speaker describes the Chinotto plant as carrying its largest crop so far and having myrtle-like leaves (0:01–0:42). Later sweetness and peel comments refer to a neighboring Sweet Palestinian lime, not Chinotto.
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Kim D. Bowman; Frederick G. Gmitter · HortScience · July 1995
The conference abstract identifies Chinotto as a sour-orange selection, describes dwarfness in grafted mature trees and reports that most seedlings from Chinotto fruit were nucellar. Controlled-cross progeny included normal, dwarf and intermediate forms, with segregation varying by cross. Abstract-only evidence; hybrid progeny results are not a fruit-quality profile for the parent cultivar.
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RxWindex98 · Reddit · 2025-01-14
https://www.reddit.com/r/Citrus/comments/1i19bu0/chinotto_sour_orange/ (opens in a new tab)
A first-person grower post describing one small, heavily cropping tree and the author's uses for harvested fruit and zest. It is a single-tree report and does not establish cultivar-wide yield or fruit characteristics.
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Laura LaRosa (7b) · Houzz
One grower-reported Chinotto fruit was compared with Seville oranges. The page displays only a relative '7 years ago' date; exact calendar date, growing location and fruit maturity are not stated. Single-fruit comparison, not a cultivar-wide profile.
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bonsaisr and forum contributors · Internet Bonsai Club · 2011-12-04
https://ibonsaiclub.forumotion.com/t8528-citrus-aurantium-chinotto (opens in a new tab)
A participant describes a labelled Chinotto bonsai that had not yet fruited and comments on its growth and stiff trunk. The thread also repeats an unreferenced origin story; that account is not treated as verified history. Other growers' plants are not assumed to be the same specimen.
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Lauta_hibrid; SoCal2warm · Tropical Fruit Forum · 2024-08-30
https://www.tropicalfruitforum.com/index.php?topic=56224.0 (opens in a new tab)
The thread contains distinct grower posts: Lauta_hibrid reports flowering timing in their Chinotto plants and hybrids, while SoCal2warm separately reports a fresh-fruit tasting (reply #1, 2024-10-03). These are unrelated personal observations without accession identity or trial design; quoted/repeated text is not independent confirmation.
Accessed
University of California, Riverside — Citrus Variety Collection
https://citrusvariety.ucr.edu/crc2375B (opens in a new tab)
The UCR collection page for accession CRC 2375-B says it was received as a live plant from the Office of Crop Physiology and Breeding Investigations in Washington, D.C., in 1930; parentage is unknown. A 1988 note says this accession and its daughter CRC 3857 appeared identical, while cautioning that the budline was unclear. Accession-specific collection history, not a documented cultivar origin or commercial introduction.
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Scipio · Tropical Fruit Forum · 2026-09-23
https://www.tropicalfruitforum.com/index.php?topic=60062.msg589934#msg589934 (opens in a new tab)
Scipio reports that his Chinotto fruit is often smaller and dry late in the season, and speculates that heavy fruiting may be involved. The post gives no location, observation date, crop load, or measurement method; this is one grower’s seasonal report, not a general cause or cultivar-wide result.
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Dennis Peck · The Oregonian/OregonLive · 2022-01-13
The article’s “ONE GREEN WORLD FAVORITES” block says descriptions are from OneGreenWorld.com. The Chinotto profile describes an ornamental small tree with dense foliage, fragrant flowers and bright-orange fruit used candied, in marmalade, for juice and liqueur. It identifies no accession; the catalog’s separate UCR CRC 3857 and CRC 2375-B records are not merged by this profile.
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TheKiwiGrower · YouTube · 2021-08-20
https://www.youtube.com/watch?v=0_pQ4Ux5t3U (opens in a new tab)
Summary from transcript: At 7:19–8:26, TheKiwiGrower identifies a Chinotto tree and tastes a fruit they describe as ripe. The presenter says it is “not very good” for fresh eating, notes many seeds and yellowish flesh, and describes the tree as ornamental. This is one presented fruit; its accession, growing location, harvest date, rootstock, and measured maturity are not stated.
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Prita Sari Dewi; Akira Wakana; Yuu Tanimoto; Yumiko Fujiwara; Kaori Sakai; Kohei Kajiwara · Journal of the Japanese Society for Horticultural Science 82(3):203–214 · 2013
https://www.jstage.jst.go.jp/article/jjshs1/82/3/82_203/_html/-char/en (opens in a new tab)
Primary cultivar-specific experimental evidence. Table 1 classifies embryo number and male fertility; embryo means were measured under a stereoscopic microscope in twenty seeds per cultivar, except Foster Pink and Marsh whose embryo count was not examined. Table 2 reports selected zygotic progeny from controlled crosses; it is not a percentage of all seeds that are zygotic. Material grown at Sasaguri Orchard, Kyushu University Farm, Fukuoka, Japan. Preserve the difference between parent fertility and male fertility segregating among offspring. DOI:10.2503/jjshs1.82.203. Source captured in docs/research/breeding-keywords-2026-10-10/dewi-2013.html. The study's Chinotto match is at cultivar/type level (Citrus myrtifolia); it does not identify material as UCR CRC 3857, CRC 2375-B or A093. Keep accession identity separate and do not change catalog taxonomy, aliases or relationships.
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Sefa Polatöz; Murat Şeker; Çağlar Kaya · KSU Journal of Agriculture and Nature · 2025
https://dogadergi.ksu.edu.tr/en/pub/article/1475151 (opens in a new tab)
The study examined seedling populations from open-pollinated rootstock fruits collected in Adana, Türkiye. Two hundred seeds per rootstock type were sown and 100 seedlings per population were analyzed by flow cytometry. The authors report diploid genome sizes for all assessed populations. The study measured ploidy/genome size, not embryo origin or clonal identity, and does not establish a zygotic-seedling percentage. The paper's Chinese bitter orange is identified as Citrus myrtifolia Raf.; this citation is linked to Chinotto Sour Orange at the species/type level only and does not identify a specific catalog accession.
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