Typical images of C. japonica https://www.alamy.com/kumquat-fruit-citrus-japonica-image465935152.html
Dr. Gurcharan Singh Retired Associate Professor SGTB Khalsa College, University of Delhi, Delhi-110007 Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. https://www.gurcharanfamily.com/ On Mon, Dec 29, 2025 at 6:55 PM J.M. Garg <[email protected]> wrote: > Thanks a lot, Singh ji > > On Mon, 29 Dec 2025 at 18:53, Gurcharan Singh <[email protected]> wrote: > >> Garg ji, I have given my comments on all posts on that page >> I have been working on this small tree growing just below our flat. >> Initially I also thought it as C. japonica. My description resembled Citrus >> madurensis Lour as described in eFlora of Pakistan (Fruit size 3 cm x 2.7 >> cm), with C. microcarpa Bunge as its synonym. eFlora of China considered C. >> madurensis as synonym of C. japonica Thunb. (but silent on C. microcarpa). >> that led me to my earlier identification as japonica. >> Now after a lot of studies I have concluded that fruits of C. japonica >> would have fruits smaller than 1.5 cm, 3-4 chambered with 3-4 seeded mature >> fruit, skin smooth shining. >> C. x microcarpa Bunge on the other hand has larger fruits 2-4 cm, more >> look of mandarin, especially when young (because it is hybrid between >> mandarin-Citrus reticulata and C. japonica: that is why size is larger than >> japonica and smaller than mandarin. more important fruit is more than 5 >> chambered and more than 6 seeds (see my cut fruit), young fruit and mature >> fruit for comparison. >> >> >> >> >> >> >> Dr. Gurcharan Singh >> Retired Associate Professor >> SGTB Khalsa College, University of Delhi, Delhi-110007 >> Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. >> https://www.gurcharanfamily.com/ >> >> >> On Mon, Dec 29, 2025 at 3:24 PM J.M. Garg <[email protected]> wrote: >> >>> Thanks, Singh ji, >>> What about other observations at >>> https://efloraofindia.com/efi/citrus-japonica/? >>> >>> On Sat, 27 Dec 2025 at 11:31, Gurcharan Singh <[email protected]> >>> wrote: >>> >>>> One more confirmation >>>> Today Dr Vijay Sulladmath Retired Principal Scientist, Fruit Crops, >>>> identified it as Citrus x mitis Blanco >>>> Luckily for me, it is synonym of C. x microcarpa according to POWO >>>> >>>> On Friday, December 26, 2025 at 8:36:04 PM UTC+5:30 Gurcharan Singh >>>> wrote: >>>> >>>>> I am now convinced it is Citrus x microcarpa >>>>> https://www.gardenia.net/plant/citrus-microcarpa >>>>> https://en.wikipedia.org/wiki/Calamansi >>>>> and not Citrus japonica >>>>> https://en.wikipedia.org/wiki/Kumquat >>>>> >>>>> >>>>> On Friday, December 26, 2025 at 5:55:46 PM UTC+5:30 Gurcharan Singh >>>>> wrote: >>>>> >>>>>> It would be interesting to know whether this plant is round Kumquat >>>>>> (Citrus japonica Lour.) or Calamondin, Calamansi (Citrus x microcarpa >>>>>> Bunge). >>>>>> eFlora of Pakistan treats Citrus microcarpa Bunge as synonym of C. >>>>>> madurensis Lour, with fruits 30 x 27 mm. eFlora of China however, treats >>>>>> C. >>>>>> madurensis Lour. as synonym of C. japonica Thunb. (also followed by POWO) >>>>>> but records fruit size 9-10 mm. >>>>>> In our plant fruits are mostly 25 to 40 mm in size. >>>>>> Please help in resolving. The tree is still is fruit, so I can verify >>>>>> any feature. >>>>>> >>>>>> On Monday, December 8, 2025 at 8:10:09 AM UTC+5:30 Gurcharan Singh >>>>>> wrote: >>>>>> >>>>>>> one more image >>>>>>> >>>>>>> On Monday, December 8, 2025 at 8:09:28 AM UTC+5:30 Gurcharan Singh >>>>>>> wrote: >>>>>>> >>>>>>>> One more image >>>>>>>> >>>>>>>> On Wednesday, October 29, 2025 at 8:04:22 PM UTC+5:30 Gurcharan >>>>>>>> Singh wrote: >>>>>>>> >>>>>>>>> Some more images >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> Dr. Gurcharan Singh >>>>>>>>> Retired Associate Professor >>>>>>>>> SGTB Khalsa College, University of Delhi, Delhi-110007 >>>>>>>>> Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. >>>>>>>>> https://www.gurcharanfamily.com/ >>>>>>>>> >>>>>>>>> >>>>>>>>> On Wed, Oct 29, 2025 at 7:53 PM Gurcharan Singh <[email protected]> >>>>>>>>> wrote: >>>>>>>>> >>>>>>>>>> *Citrus japonica* Thunb., Nova Acta Regiae Soc. Sci. Upsal., >>>>>>>>>> ser. 2, 3: 208 (1780) >>>>>>>>>> Syn: *Citrus madurensis* Lour., *Citrus x aurantium subsp. >>>>>>>>>> japonica *(Thunb.) Engl. >>>>>>>>>> Common Name: Round Kumquat, >>>>>>>>>> Small shrub or small tree barely 2-3 m tall. Leaves with very >>>>>>>>>> narrowly winged petiole less than 1 cm long, obovate, elliptic to >>>>>>>>>> broadly >>>>>>>>>> ovate, obtuse with crenulate margin. Flower usually solitary or up >>>>>>>>>> to 3 in >>>>>>>>>> a fascicle, subsessile, petals about 5 mm long, fruit usually less >>>>>>>>>> than 3 >>>>>>>>>> cm, globose with thin rind, 4-6 chambered, orange yellow when ripe. >>>>>>>>>> Clicked from Vikas Puri, Delhi >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Dr. Gurcharan Singh >>>>>>>>>> Retired Associate Professor >>>>>>>>>> SGTB Khalsa College, University of Delhi, Delhi-110007 >>>>>>>>>> Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. >>>>>>>>>> https://www.gurcharanfamily.com/ >>>>>>>>>> >>>>>>>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "eFloraofIndia" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion, visit >>>> https://groups.google.com/d/msgid/indiantreepix/89cab031-2b8c-4a05-95f1-a7492b9a66ecn%40googlegroups.com >>>> <https://groups.google.com/d/msgid/indiantreepix/89cab031-2b8c-4a05-95f1-a7492b9a66ecn%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> >>> >>> -- >>> With regards, >>> J.M.Garg, >>> https://efloraofindia.com/ >>> >> > > -- > With regards, > J.M.Garg, > https://efloraofindia.com/ > -- You received this message because you are subscribed to the Google Groups "eFloraofIndia" group. 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