| Caprifoliaceae | |
Weigela amagiensis
| Nakai | J. Jap. Bot. 12(1): 71–73, pl. 4, f. a–h | 1936 |
| Caprifoliaceae | |
Weigela coraeensis
| Thunb. | Trans. Linn. Soc. London 2: 331 | 1794 |
| Caprifoliaceae | |
Weigela decora
| (Nakai) Nakai | J. Jap. Bot. 12(2): 74 | 1936 |
| Caprifoliaceae | ** |
Weigela floribunda
| (Siebold & Zucc.) C.A. Mey. | Bull. Cl. Phys.-Math. Acad. Imp. Sci. Saint-Pétersbourg 13(13–14): 219 | 1855 |
| Caprifoliaceae | |
Weigela floribunda
| (Siebold & Zucc.) K. Koch | Hort. Dendrol. 298 | 1853 [1854] |
| Caprifoliaceae | ! |
Weigela florida
| (Bunge) A. DC. | Ann. Sci. Nat., Bot., sér. 2, 11(4): 241 | 1839 |
| Caprifoliaceae | |
Weigela fujisanensis
| (Makino) Nakai | J. Jap. Bot. 12(2): 75–76, pl. 5, f. a–e | 1936 |
| Caprifoliaceae | |
Weigela grandiflora
| (Siebold & Zucc.) Fortune | Narr. Journ. Capit. Japan & China 59 | 1863 |
| Caprifoliaceae | |
Weigela hakonensis
| Nakai | J. Jap. Bot. 12(2): 77–78, pl. 6, f. a–e | 1936 |
| Caprifoliaceae | |
Weigela hortensis
| C.A. Mey. | Bull. Phys. Math. T. 13: 219 | 1855 |
| Caprifoliaceae | ! |
Weigela japonica
| Thunb. | Kongl. Vetensk. Acad. Nya Handl. 1: 137, 141, pl. v | 1780 |
| Caprifoliaceae | |
Weigela kariyosensis
| Nakai | J. Jap. Bot. 12(2): 81, pl. 8, f. a–f | 1936 |
| Caprifoliaceae | |
Weigela maximowiczii
| (S. Moore) Rehder | J. Arnold Arbor. 20: 429, in obs. | 1939 |
| Caprifoliaceae | |
Weigela middendorffiana
| C. Koch | | |
| Caprifoliaceae | |
Weigela pauciflora
| A. DC. | Ann. Sci. Nat., Bot., sér. 2, 11: 241 | 1839 |
| Caprifoliaceae | |
Weigela praecox
| (Lemoine) Bailey | Gentes Herbarum 2(1): 54 | 1929 |
| Caprifoliaceae | |
Weigela rosea
| Lindl. | | |
| Caprifoliaceae | |
Weigela sanguinea
| (Nakai) Nakai | J. Jap. Bot. 12(2): 83–84 | 1936 |
| Caprifoliaceae | |
Weigela sinica
| (Rehder) H. Hara | Ginkgoana 5: 141 | 1983 |
| Caprifoliaceae | |
Weigela suavis
| Bailey | | |
| Caprifoliaceae | |
Weigela subsessilis
| L.H. Bailey | Gentes Herbarum 2(1): 51 | 1929 |
| Caprifoliaceae | |
Weigela toensis
| Nakai | J. Jap. Bot. 12(1): 12–14, f. 3 | 1935 |