| Flower: Are grouped in male and female catkins that are on different
plants and appear before the leaves grow. The seeds bear long and
silky hairs. |
 |
| Male Catkins: Big Canyon - 1-Jan-03 |
 |
| Female Catkins: Big Canyon - 1-Jan-03 |
 |
| Female Catkins with long, silky hairs: Big Canyon - 1-Jan-03 |
| Date: 8/29/2010 |