Citrus hystrix

Citrus hystrix DC., Cat. Pl. Horti Monsp. 97 1813. (Syn. Citrus × aurantium var. saponacea Saff.; Citrus auraria Michel; Citrus balincolong (Yu.Tanaka) Yu.Tanaka; Citrus × bergamia var. unguentaria M.Roem. .; Citrus boholensis (Wester) Yu.Tanaka; Citrus celebica Koord. .; Citrus combara Raf. ......; Citrus echinata St.-Lag. [Illegitimate]; Citrus hyalopulpa Yu.Tanaka; Citrus hystrix var. annamensis (Yu.Tanaka) Guillaumin ..............; Citrus kerrii (Swingle) Yu.Tanaka; Citrus kerrii (Swingle) Tanaka; Citrus latipes Hook.f. & Thomson ex Hook.f.; Citrus macroptera Montrouz. .........; Citrus micrantha Wester ..; Citrus papeda Miq.; Citrus papuana F.M.Bailey; Citrus southwickii Wester; Citrus torosa Blanco; Citrus tuberoides J.W.Benn.; Citrus ventricosa Michel; Citrus vitiensis Yu.Tanaka; Citrus westeri Yu.Tanaka; Fortunella sagittifolia K.M.Feng & P.Y.Mao; Papeda rumphii Hassk.);

India (Assam, Meghalaya, Khasia, Uttar Pradesh), Bangladesh, Myanmar [Burma] (Kachin, Mon, Taninthayi), Java, Thailand, Laos, Vietnam, China (Yunnan, N-Guangxi), American Samoa (Ta'u), Western Samoa (Savaii, Upolu), American Samoa (I) (Manua Isl. (I)), Micronesia (I) (Yap (I)), Palau Isl. (I) (Sonsorol (I)), Southern Marianas (I) (Rota (I), Guam (I)), Tuamotu Arch. (I) (Makatea Isl. (I)), Nicobar Isl. (Central Nicobar Isl.), Sri Lanka, Sulawesi, New Caledonia (I), Fiji (I), Rotuma Isl. (I), New Guinea, Philippines (Bohol, Mindanao, Cebu), peninsular Malaysia (northern half of the Peninsula), Sri Lanka (I), Society Isl. (I) (Tahiti (I), Raiatea (I)), Trinidad & Tobago (I) as per Catalogue of life;
kaffir lime, Porcupine Orange, kolumichai ('கொலுமிச்சை' in Tamil);
MS Oct, 2019/14 Citrus sp. (macroptera?) for ID : 4 posts by 2 authors. Attachments (4)
Location : Near Mawmrang, Mizoram
Altitude : ca 1,500 m.
Date : 06-11-2019
Habit : Shrub or small tree
Habitat : Wild
Shape of the fruit is confusing me although leaves and other aspects appears similar to Citrus macroptera as per
But some images how similar shape as per
Wikipedia states as below:
The species is sometimes divided into four varieties, or alternatively into three separate species, as follows:[5]
  • C. macroptera var. macroptera
  • C. macroptera var. annamensis Tanaka -> C. combara Raf.
  • C. macroptera var. combara (Raf.) Tanaka -> C. combara Raf.
  • C. macroptera var. kerrii Swingle -> C. kerrii (Swingle) Tanaka
Pl. check.
On further checking, it is given as a syn. of Citrus hystrix DC. by Catalogue of Life.
Images on Google seems to match with it.

MS Oct,2019/14 Citrus sp.(macroptera?) for id : 5 posts by 3 authors. Attachments (2)
Location : Pawlrang ram
Altitude : ca 1,500 m.
Date : 06-11-2019
Habit : Shrub
Habitat : Wild
Mizo : Zawng-ser

Pl. see replies in another thread: MS Oct, 2019/14 Citrus sp. (macroptera?) for ID
Thank you for persisting with the Citrus. I am thanking you more so because your queries made me look at the narthangai plant again (A lesson in observation!) and I noticed that it  had thorns.Something that the photo posted by ... does not show. Again i do not know if  the plant he has photographed is/could be a hybrid variety. These days several varieties of plants  that originally had thorns are produced minus these natural protectors! 
I am attaching with this mail a photo of the narthangai plant growing in my garden. Too early for it to fruit, so only leaves and branches are seen  in the photo.This much i can vouch for - it is narthangai plant. It was grown from the seeds of the fruit.
Which species of Citrus it is  I do not know.
I do hope that this  helps
After seeing the photograph shot by ... I had a second look at Citrus species and am inclined to identify it with C. hystrix DC. This species has winged petiole more than half as long as leaf blade and crenulate leaves, fruit 5-7 cm.
Need a kaffir lime plant: Kindly help me find a nursery that stocks this plant. Anywhere in India will do.
Please try Pathare Nursery, near Shivaji Chowk, Kalyan. They keep good varieties of grafted plants especially lemon.

Kaffir lemon : 2 posts by 2 authors.
Where in India , I can get the sapling of Kaffir lemon plant ?
This earlier thread may be of some use:
MS Jan, 2020/01 Citrus sp. for ID : 4 posts by 3 authors. Attachments (2)
Location : Hortoki, Mizoram
Date : 05-08-2019
Habit : Large shrub
Habitat : Cultivated

Did not you ask common name with seller?

Is it not Citrus hystrix you posted recently ? 

According to Flora of Mizoram, it is Citrus macroptera var. annamensis

citrus species from Phenk (Nagaland) : 2 posts by 2 authors. Attachments (1) - 4 mb.
Please identify the citrus species from Phenk (Nagaland)
I think Citrus hystrix as per images and details herein.