| white alder | (n) tree of western United States, Syn. mountain alder, Alnus rhombifolia |
| sweet pepperbush | (n) shrub of eastern and southern coastal United States having beautiful racemes of spice-scented white flowers, Syn. pepper bush, Clethra alnifolia, white alder, summer sweet |
| リョウブ科 | [リョウブか, ryoubu ka] (n) Clethraceae (plant family); (common name) the white alder family [Add to Longdo] |