| The Scotts Valley polygonum, a small annual in the buckwheat family, has linear-shaped leaves and produces white flowers. |
| Most of the starchy grains that are present at Langford sites are either wild chenopod or polygonum seeds. |
| The Scotts Valley polygonum, which is native to Santa Cruz County, California, produces white flowers and reaches a height of only two inches. |
| The polygonum tinctorium contains approximately 10 times more anil than the knotweed, and nearly as much as the tropical indigo plant. |
| Also on February 15, 310 acres in Santa Cruz County were proposed as critical habitat for the Scotts Valley spineflower and the Scotts Valley polygonum. |
| Our path in the afternoon lay near the river over low ground, wooded with box, having an undergrowth of saltbush and polygonum. |
