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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 686890Pseudocydonia - National Arboretum 5 O.P.Pseudocydonia sinensis (Thouin) C. K. Schneid. Oregon, United StatesCORNot Available2016COLLECTED12/01/2016Breeding materialA population of seedlings was generated from seed collected by Kevin Conrad at the National Arboretum in Washington D.C. in 2010 from Pseudocydonia sinensis accession NA 29637. The seedlot and seedlings are NPGS accession PI 660759. About 8 seedling trees were established in the field collection at NCGR in 2011 from NCGR seed inventory CCYD 158. Seedling 5 (= CCYD 158.005) was the most precocious seedling, producing about a dozen large fruit (~650 g) in 2016. This accession (CCYD 181) constitutes open pollinated seed collected from CCYD 158.005.1943369PI 686890
1PI 686887Pseudocydonia Sheffield'sPseudocydonia sinensis (Thouin) C. K. Schneid. ChinaCOR2015COLLECTED2013Uncertain improvement status1925352PI 686887
2PI 660759Pseudocydonia National ArboretumPseudocydonia sinensis (Thouin) C. K. Schneid. COR2010Cultivated material1854106PI 660759
3PI 655050'Chinese'Pseudocydonia sinensis (Thouin) C. K. Schneid. California, United StatesCORNot Available1996DEVELOPED1888Uncertain improvement status1522046PI 655050
4PI 37954 NA 89260F. N. Meyer 1190Pseudocydonia sinensis (Thouin) C. K. Schneid. Shandong Sheng, ChinaNANot Available1947COLLECTED03/11/1914Heze (formerly Caozhoufu).Grown on sandy loam.Cultivated materialIn July 2026, Tony Vlahakis (IPM specialist) found an old blue-painted plastic tag with the PI number for this collection in the Japanese Woodland, in the vicinty of NA 29637-H [now 89260-H], originally accessioned in 1967 as unknown source (old National Arboretum plants). The material would have come from Glenn Dale between the late 1930s and the late 1940s, and the tag is of the same style as old azalea tags that Tony and Barbara Bullock have found primarily on the historic Glenn Dale Hillside on Mt Hamilton with Bell [Glenn Dale] numbers. Tags of that kind have not previously been found in the modern-day Asian Collections. In the old Nursery (Plot) 5 card file, there were 9 plants of "Chaenomeles sinensis" present November 17, 1948 in row 26 [originally, there had been 36 plants]; they were listed as "35929-37954." According to the 1947 inventory of all USNA plants, there were "2 lots" of Chaenomeles sinensis at the time. Under the entry for PI 37954, it is noted that the prior introductions were PI 35458 and 35639, both Frank Meyer collections from China, and it seems likely that the second USNA lot would have been PI 35639 due to the similarity in number. For PI 37954, which clearly applies to former NA 29637-H [now NA 89260-H], USDA Plant Inventory number 39 reads: "37948 to 37955. From China. Collected by Mr. Frank N. Meyer, Agricultural Explorer for the Department of Agriculture. Received May 1, 1914. Cuttings of the following; quoted notes by Mr. Meyer. [...] 37954. Chaenomeles lagenaria cathayensis (Hemsl.) Schneider. (Cydonia cathayensis Hemsl.) Malaceae. Quince. From Tsaochowfu, Shantung, China. "(No. 1190. March 11, 1914.) A large-fruited variety of Chinese quince, much grown on the sandy loam around Tsaochowfu." On the facing page, this PI number was annotated as Chaenomeles sinensis (Thouin) Koehne, a synonym of Pseudocydonia sinensis. Additinoally, a herbarium voucher dated to at least 1929 for material identified as PI 37954 has been identified as Pseudocydonia sinensis, and clearly belongs to that taxon. For PI 35639, USDA Plant Inventory No. 35 reads, "35601 to 35657. Collected by Mr. Frank N. Meyer, agricultural explorer. Received June 14, 1913. Seeds of the following; quoted notes by Mr. Meyer: [...] 35639. Chaeonomeles cathayensis (Hemsl.) Schneider. Quince. (Pyrus cathayensis Hemsl.) "(Tsinan, Shantung, Chine. No. 1839a. April 9, 1913.) A Chinese quince, the fruits of which are used by the better classes of Chinese as room perfumers. These fruits can easily be kept throughout the winter until late spring. Some foreign missionaries have learned how to make preserves and jellies from these quinces, though the meat is quite woody. This Chinese quince grows to be a tall shrub and it might perhaps be profitable to grow it in the mild-wintered sections of hte United States, so as to supply the Chinese colonies in America with one of their favorite fruits. The American people themselves may also come to like these fruits for the strong pleasant aroma they produce. Chinese name _Mu kua_." Regarding PI 35458, USDA Plant Inventory No. 35 reads, "35456 tp 35458. Collected by Mr. F. N. Meyer, agricultural explorer for the Department of Agriculture. Received May 27, 1913. Quoted notes by Mr. Meyer. [...] 35458. Chaenomeles cathayensis (Hemsl.) Schneider. Quince. (Pyrus cathayensis Hemsl.) "(Tsinan, Shantung, China, April 4, 1913.) The Chinese quince, which is used by the rich Chinese as a room perfumer, but foreign missionaries have learned to use it for making preserves and jellies. The Chinese call it _mu kua_, meaning 'wooden gourd.' This species is said to have come from Chowcho, Shantung Province." Given that the latter two PI number entries were collected in the same location, and the cited origin for the material all seems to be the same as PI 34954, listed variously by Meyer as Tsaochowfu and Chowcho, Shantung [Shandong]. Since the other surviving NA 29637 plant, NA 29637-P, could have originally belonged to one or the other of two Frank Meyer field collections with two different PI numbers, that plant will remain under the old number out of an abundance of caution. However, it seems likely that plants of the same PI number would have been more likely to be of similar size at the time of transplanting, and that identical-numbered plants would have been placed in close proximity to one another for aesthetic reasons, so in all likelihood the GCA trees near the discovered label would have belonged to PI 37954.2197126PI 37954 NA 89260
5PI 62405No. 1438Pseudocydonia sinensis (Thouin) C. K. Schneid. Beijing Shi, China Historic1925COLLECTED11/19/19241663615PI 62405
6PI 46129Mu kuaPseudocydonia sinensis (Thouin) C. K. Schneid. Hubei Sheng, China Historic1918COLLECTED12/21/19171611163PI 46129
7PI 46130Mu liPseudocydonia sinensis (Thouin) C. K. Schneid. Hubei Sheng, China Historic1918COLLECTED12/31/19171611164PI 46130
8PI 38795No. 2065aPseudocydonia sinensis (Thouin) C. K. Schneid. Shaanxi Sheng, China Historic1914COLLECTED01/19/19141603719PI 38795
9PI 37954No. 1190Pseudocydonia sinensis (Thouin) C. K. Schneid. Shandong Sheng, China Historic1914COLLECTED03/11/19141602782PI 37954
10PI 22432Ta pai liPseudocydonia sinensis (Thouin) C. K. Schneid. Hebei Sheng, China Historic1908COLLECTED01/17/19081521724PI 22432
11PI 21001Pseudocydonia sinensis (Thouin) C. K. Schneid. Kanagawa, Japan Historic1907COLLECTED1533060PI 21001
12PI 20338No. 567aPseudocydonia sinensis (Thouin) C. K. Schneid. Primorye, Russian Federation Historic1907COLLECTED10/06/19061577381PI 20338
13PI 17726Pseudocydonia sinensis (Thouin) C. K. Schneid. China Historic1906COLLECTED1575156PI 17726
14PI 21253Ya kwam liPseudocydonia sinensis (Thouin) C. K. Schneid. Beijing Shi, China Historic1906COLLECTED1533207PI 21253
15PI 21254Pseudocydonia sinensis (Thouin) C. K. Schneid. China Historic1906COLLECTED1533208PI 21254
16PI 17178No. 39Pseudocydonia sinensis (Thouin) C. K. Schneid. Hubei Sheng, China Historic1906COLLECTEDChang-li1574711PI 17178
17PI 16911Pseudocydonia sinensis (Thouin) C. K. Schneid. Beijing Shi, China Historic1905COLLECTED1574396PI 16911
18PI 16916Pseudocydonia sinensis (Thouin) C. K. Schneid. Beijing Shi, China Historic1905COLLECTED1574400PI 16916
19PI 16924Pseudocydonia sinensis (Thouin) C. K. Schneid. Beijing Shi, China Historic1905COLLECTED1574408PI 16924
20PI 9239'Waseaka'Pseudocydonia sinensis (Thouin) C. K. Schneid. Kanagawa, Japan Historic1903COLLECTED08/19021548684PI 9239
21PI 9240'Ofurugawa'Pseudocydonia sinensis (Thouin) C. K. Schneid. Kanagawa, Japan Historic1903COLLECTED08/19021548685PI 9240
22PI 9241No. 1035Pseudocydonia sinensis (Thouin) C. K. Schneid. Kanagawa, Japan Historic1903COLLECTED1734534PI 9241
23PI 9242'Tai haka'Pseudocydonia sinensis (Thouin) C. K. Schneid. Kanagawa, Japan Historic1903COLLECTED08/19021548686PI 9242
24PI 9243'Chiojuro'Pseudocydonia sinensis (Thouin) C. K. Schneid. Kanagawa, Japan Historic1903COLLECTED08/19021548693PI 9243
25PI 8209Pseudocydonia sinensis (Thouin) C. K. Schneid. Ionía Nísia, Greece Historic1902COLLECTED1547151PI 8209
26PI 6362Pseudocydonia sinensis (Thouin) C. K. Schneid. Ionía Nísia, Greece Historic1901COLLECTED1543656PI 6362
27PI 6183Pseudocydonia sinensis (Thouin) C. K. Schneid. Ionía Nísia, Greece Historic1901COLLECTED1543423PI 6183
28PI 6186Pseudocydonia sinensis (Thouin) C. K. Schneid. Ionía Nísia, Greece Historic1901COLLECTED1543426PI 6186
29PI 6188Pseudocydonia sinensis (Thouin) C. K. Schneid. Ionía Nísia, Greece Historic1901COLLECTED1543428PI 6188
30PI 5376Pseudocydonia sinensis (Thouin) C. K. Schneid. District of Columbia, United States Historic1900COLLECTED1541531PI 5376
31PI 2881Pseudocydonia sinensis (Thouin) C. K. Schneid. China Historic1899COLLECTED1550045PI 2881
32PI 2892Pseudocydonia sinensis (Thouin) C. K. Schneid. Japan Historic1899COLLECTED1537090PI 2892
33NA 83072NA 83072Pseudocydonia sinensis (Thouin) C. K. Schneid. NANot Available2016Uncertain improvement statusFull name as recorded at U.S. National Arboretum: Pseudocydonia sinensis. Note from J. Postman at Corvallis to K. Conrad, USNA: "...I can offer you some seedlings of Pseudocydonia likely from a different source than those at the Nat. Arboretum. I bought seed from Sheffields Seeds last year that were of Chinese origin, and germination was nearly 100 [percent]. The leaf phenotype appears different than those from the seed you sent me a few years ago."2153215NA 83072
34NA 81483NA 81483Pseudocydonia sinensis (Thouin) C. K. Schneid. NANot Available2013Cultivated materialFull name as recorded at U.S. National Arboretum: Pseudocydonia sinensis. Forest planting in Chinese container, 14 trees in all. Trees grown from seed by donor.2152561NA 81483
35NA 78659F. N. Meyer 1190 or 1839aPseudocydonia sinensis (Thouin) C. K. Schneid. Shandong Sheng, ChinaNANot Available2002COLLECTEDPRE 03/12/1914Jinan [Tsinan] or Heze (formerly Caozhoufu).Cultivated materialSeedling from tree in GCA Circle in Asian Collection (NA 29637-T), now removed due to fireblight susceptibility. From the record of the seed parent accession, NA 29637: In July 2026, Tony Vlahakis (IPM specialist) found an old blue-painted plastic tag with the PI number for this collection in the Japanese Woodland, in the vicinty of NA 29637-H [now 89260-H], originally accessioned in 1967 as unknown source (old National Arboretum plants). The material would have come from Glenn Dale between the late 1930s and the late 1940s, and the tag is of the same style as old azalea tags that Tony and Barbara Bullock have found primarily on the historic Glenn Dale Hillside on Mt Hamilton with Bell [Glenn Dale] numbers. Tags of that kind have not previously been found in the modern-day Asian Collections. In the old Nursery (Plot) 5 card file, there were 9 plants of "Chaenomeles sinensis" present November 17, 1948 in row 26 [originally, there had been 36 plants]; they were listed as "35929-37954." According to the 1947 inventory of all USNA plants, there were "2 lots" of Chaenomeles sinensis at the time. Under the entry for PI 37954, it is noted that the prior introductions were PI 35458 and 35639, both Frank Meyer collections from China, and it seems likely that the second USNA lot would have been PI 35639 due to the similarity in number. For PI 37954, which clearly applies to former NA 29637-H [now NA 89260-H], USDA Plant Inventory number 39 reads: "37948 to 37955. From China. Collected by Mr. Frank N. Meyer, Agricultural Explorer for the Department of Agriculture. Received May 1, 1914. Cuttings of the following; quoted notes by Mr. Meyer. [...] 37954. Chaenomeles lagenaria cathayensis (Hemsl.) Schneider. (Cydonia cathayensis Hemsl.) Malaceae. Quince. From Tsaochowfu, Shantung, China. "(No. 1190. March 11, 1914.) A large-fruited variety of Chinese quince, much grown on the sandy loam around Tsaochowfu." On the facing page, this PI number was annotated as Chaenomeles sinensis (Thouin) Koehne, which is a synonym of Pseudocydonia sinensis. Additionally, a herbarium voucher dated to at least 1929 for material identified as PI 37954 has been identified as Pseudocydonia sinensis, and clearly belongs to that taxon. For PI 35639, USDA Plant Inventory No. 35 reads, "35601 to 35657. Collected by Mr. Frank N. Meyer, agricultural explorer. Received June 14, 1913. Seeds of the following; quoted notes by Mr. Meyer: [...] 35639. Chaeonomeles cathayensis (Hemsl.) Schneider. Quince. (Pyrus cathayensis Hemsl.) "(Tsinan, Shantung, Chine. No. 1839a. April 9, 1913.) A Chinese quince, the fruits of which are used by the better classes of Chinese as room perfumers. These fruits can easily be kept throughout the winter until late spring. Some foreign missionaries have learned how to make preserves and jellies from these quinces, though the meat is quite woody. This Chinese quince grows to be a tall shrub and it might perhaps be profitable to grow it in the mild-wintered sections of hte United States, so as to supply the Chinese colonies in America with one of their favorite fruits. The American people themselves may also come to like these fruits for the strong pleasant aroma they produce. Chinese name _Mu kua_." Regarding PI 35458, USDA Plant Inventory No. 35 reads, "35456 tp 35458. Collected by Mr. F. N. Meyer, agricultural explorer for the Department of Agriculture. Received May 27, 1913. Quoted notes by Mr. Meyer. [...] 35458. Chaenomeles cathayensis (Hemsl.) Schneider. Quince. (Pyrus cathayensis Hemsl.) "(Tsinan, Shantung, China, April 4, 1913.) The Chinese quince, which is used by the rich Chinese as a room perfumer, but foreign missionaries have learned to use it for making preserves and jellies. The Chinese call it _mu kua_, meaning 'wooden gourd.' This species is said to have come from Chowcho, Shantung Province." Given that the latter two PI number entries were collected in the same location, and the cited origin for the material all seems to be the same as PI 34954, listed variously by Meyer as Tsaochowfu and Chowcho, Shantung [Shandong]. Since the origin of what was recorded as 29637-H seems to clearly belong to a single Meyer collection and PI number, I am assigning it a separate accession number, and it will be recorded as NA 89260-H to reflect the new information. The other surviving plant, NA 29637-P, will remain under the old number because its field collection number and PI number could be one or the other of the two sets of choices. However, it seems likely that plants of the same PI number would have been more likely to be of similar size at the time of transplanting, and that identical-numbered plants would have been placed in close proximity to one another for aesthetic reasons, so in all likelihood the GCA trees near the discovered label would have belonged to PI 37954.2151421NA 78659
36CCHA 17Pseudocydonia sinensis (Thouin) C. K. Schneid. Historic1987DONATED12/04/19871000653CCHA 17
37CCHA 15Uzbekistan 666Pseudocydonia sinensis (Thouin) C. K. Schneid. Tashkent, UzbekistanNANot Available1987DONATED04/24/19871000583CCHA 15
38CCHA 10Pseudocydonia - Tsuchiya City Pseudocydonia sinensis (Thouin) C. K. Schneid. JapanNANot Available1983DONATED04/08/19831000405CCHA 10
39CCHA 12Pseudocydonia sinensis (Thouin) C. K. Schneid. China Historic1982DONATED12/13/19821000479CCHA 12
40NA 29637F. N. Meyer 1190 and/or 1839aPseudocydonia sinensis (Thouin) C. K. Schneid. Shandong Sheng, ChinaNANot Available1947COLLECTEDPRE 03/12/1914Jinan [Tsinan] or Heze (formerly Caozhoufu).Cultivated materialIn July 2026, Tony Vlahakis (IPM specialist) found an old blue-painted plastic tag with the PI number for this collection in the Japanese Woodland, in the vicinty of NA 29637-H [now 89260-H], originally accessioned in 1967 as unknown source (old National Arboretum plants). The material would have come from Glenn Dale between the late 1930s and the late 1940s, and the tag is of the same style as old azalea tags that Tony and Barbara Bullock have found primarily on the historic Glenn Dale Hillside on Mt Hamilton with Bell [Glenn Dale] numbers. Tags of that kind have not previously been found in the modern-day Asian Collections. In the old Nursery (Plot) 5 card file, there were 9 plants of "Chaenomeles sinensis" present November 17, 1948 in row 26 [originally, there had been 36 plants]; they were listed as "35929-37954." According to the 1947 inventory of all USNA plants, there were "2 lots" of Chaenomeles sinensis at the time. Under the entry for PI 37954, it is noted that the prior introductions were PI 35458 and 35639, both Frank Meyer collections from China, and it seems likely that the second USNA lot would have been PI 35639 due to the similarity in number. For PI 37954, which clearly applies to former NA 29637-H [now NA 89260-H], USDA Plant Inventory number 39 reads: "37948 to 37955. From China. Collected by Mr. Frank N. Meyer, Agricultural Explorer for the Department of Agriculture. Received May 1, 1914. Cuttings of the following; quoted notes by Mr. Meyer. [...] 37954. Chaenomeles lagenaria cathayensis (Hemsl.) Schneider. (Cydonia cathayensis Hemsl.) Malaceae. Quince. From Tsaochowfu, Shantung, China. "(No. 1190. March 11, 1914.) A large-fruited variety of Chinese quince, much grown on the sandy loam around Tsaochowfu." On the facing page, this PI number was annotated as Chaenomeles sinensis (Thouin) Koehne, which is a synonym of Pseudocydonia sinensis. Additionally, a herbarium voucher dated to at least 1929 for material identified as PI 37954 has been identified as Pseudocydonia sinensis, and clearly belongs to that taxon. For PI 35639, USDA Plant Inventory No. 35 reads, "35601 to 35657. Collected by Mr. Frank N. Meyer, agricultural explorer. Received June 14, 1913. Seeds of the following; quoted notes by Mr. Meyer: [...] 35639. Chaeonomeles cathayensis (Hemsl.) Schneider. Quince. (Pyrus cathayensis Hemsl.) "(Tsinan, Shantung, Chine. No. 1839a. April 9, 1913.) A Chinese quince, the fruits of which are used by the better classes of Chinese as room perfumers. These fruits can easily be kept throughout the winter until late spring. Some foreign missionaries have learned how to make preserves and jellies from these quinces, though the meat is quite woody. This Chinese quince grows to be a tall shrub and it might perhaps be profitable to grow it in the mild-wintered sections of hte United States, so as to supply the Chinese colonies in America with one of their favorite fruits. The American people themselves may also come to like these fruits for the strong pleasant aroma they produce. Chinese name _Mu kua_." Regarding PI 35458, USDA Plant Inventory No. 35 reads, "35456 tp 35458. Collected by Mr. F. N. Meyer, agricultural explorer for the Department of Agriculture. Received May 27, 1913. Quoted notes by Mr. Meyer. [...] 35458. Chaenomeles cathayensis (Hemsl.) Schneider. Quince. (Pyrus cathayensis Hemsl.) "(Tsinan, Shantung, China, April 4, 1913.) The Chinese quince, which is used by the rich Chinese as a room perfumer, but foreign missionaries have learned to use it for making preserves and jellies. The Chinese call it _mu kua_, meaning 'wooden gourd.' This species is said to have come from Chowcho, Shantung Province." Given that the latter two PI number entries were collected in the same location, and the cited origin for the material all seems to be the same as PI 34954, listed variously by Meyer as Tsaochowfu and Chowcho, Shantung [Shandong]. Since the origin of what was recorded as 29637-H seems to clearly belong to a single Meyer collection and PI number, I am assigning it a separate accession number, and it will be recorded as NA 89260-H to reflect the new information. The other surviving plant, NA 29637-P, will remain under the old number because its field collection number and PI number could be one or the other of the two sets of choices. However, it seems likely that plants of the same PI number would have been more likely to be of similar size at the time of transplanting, and that identical-numbered plants would have been placed in close proximity to one another for aesthetic reasons, so in all likelihood the GCA trees near the discovered label would have belonged to PI 37954.2144131NA 29637