| Knotweed | n. (Bot.) See Knotgrass. [ 1913 Webster ] |
| タデ科 | [タデか, tade ka] (n) Polygonaceae (plant family); knotweed family; smartweed family [Add to Longdo] |
| 虎杖 | [いたどり;イタドリ, itadori ; itadori] (n) (uk) Japanese knotweed (Fallopia japonica); Japanese fleeceflower; Mexican bamboo; Polygonum cuspidatum; Reynoutria japonica [Add to Longdo] |
| 春虎の尾;春虎尾 | [はるとらのお, harutoranoo] (n) Polygonum tenuicaule (species of knotweed) [Add to Longdo] |
| 蓼 | [たで, tade] (n) knotweed; jointweed; smartweed [Add to Longdo] |