| Family | Rosaceae |
| Scientific name | Chaenomeles speciosa (Sweet) Nakai |
| Synonyms | Chaenomeles lagenaria (Loiseleur-Deslongchamps) Koidzumi; Cydonia japonica (Thunberg) Persoon var. lagenaria (Loiseleur-Deslongchamps) Makino; Cydonia lagenaria Loiseleur-Deslongchamps |
| Common name | (Japanese common name) boke |
| (English common name) Chinese-quince, flowering-quince | |
| Distribution | (Japan) garden plants |
| (Other nations) [native] China, Myanmar | |
| Chromosomal number | 2n=34 |
| Description | Flowers red, pink or white, flowering in March to April. Deciduous. Shrub. |
| Reference | Chaenomeles speciosa (Sweet) Nakai |
| Chaenomeles speciosa (Sweet) Nakai | |
| Crude drug compositions for treating or preventing arthritic diseases and the preparation process (US Patent 7074435/2006) |
| March 2007 at Tsukuba Botanical Garden |
March 2007 at Koishikawa Botanical Garden |
March 2007 at Koishikawa Botanical Garden |
| cv. Hinokoromo | cv. Jitsugessei | cv. Chojuraku |
| February 2007 at Kyoto Botanical Garden |
February 2007 at a nursery |
February 2007 at a nursery |