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| Chinese | English |
| 单叶野豌豆 Vicia monantha, Ervum monanthus | one-leaved vetch |
| 单叶野豌豆 Vicia monantha, Ervum monanthus | one-flowered tare |
| 单子山楂 Crataegus oxycantha | European hawthorn |
| 单子山楂 Crataegus oxycantha | English hawthorn |
| 单子山楂 Crataegus oxycantha | common hawthorn |
| 单株树干 | individual stem |
| 单源的 | monophyletic |