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Bidens cernua Family - Heliantheae - Sunflower - The Stick Tight Bur Marigold will be found along creeks, waterways and other low lying wet areas. It has a pretty wide range, found from Alaska through southern Canada in the north, south to North Carolina, then west to Oklahoma. It can also be found in Colorado and California. This late summer to fall blooming wildflower is in flower from September to October. The Bur Marigolds are also called Tickseed Sunflowers, so called because the seeds, properly called achene’s, are flat, tick shaped things with four burs which stick to animals fur and hikers clothing. The seeds can be aggravating when gotten into in late fall and early winter, as they are rather hard to remove from clothing and socks. Ducks sometimes utilize the seeds as forage. The bright yellow flowers will usually have eight petals, or rays and are about two inches in diameter and are usually nodding, or somewhat down-turned, as the flower matures. The species name, cernua, is Latin for "nodding" and refers to this trait. Bur Marigold ranges from one to five feet in height. A member of the rather large sunflower family, the Stick Tight Bur Marigold primarily occupies low, wet ground, its seed providing food for waterfowl. The bright yellow flowers brighten creek banks, swamp land and river floodplains. It is found over a fairly large geographic area with a variety of different climatic conditions. |
