SAWTOOTH SUNFLOWER
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| File Size: 92 KB |
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Helianthus grosseserratus Martens
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| Riley County, Kansas |
| Perennial |
| Height: 3-12 feet |
| Family: Asteraceae - Sunflower Family |
| Flowering Period: August, September |
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| Stems: | | Erect, simple or branching above, often purplish, glabrous and waxy below, appressed-hairy in inflorescence. | | Leaves: | | Mostly alternate, simple, stalked, lanceolate, 4 to 12 inches long, 1 to 4 inches wide, rough above, soft-hairy below; margins sharply toothed to occasionally nearly entire; tips pointed. | | Inflorescences: | | Heads, numerous, in loose, panicle-like clusters; heads 3 to 4 inches wide; bracts linear-lanceolate, slightly longer than disk, overlapping, loose and spreading. | | Flowers: | | Ray florets 10-20, about 1.5 inch long, yellow; disk florets numerous, golden-yellow. | | Fruits: | | Achenes, short, flattened, dark brown to black, tipped with 2 awns, enclosing small seed. | | Habitat: | | Stream and wetland edges, open bottomlands, damp prairies, roadsides, and waste places. | | Distribution: | | East 2/5 of Kansas. | | Forage Value: | | Livestock will consume sawtooth sunflower. | | Uses: | | Native Americans treated burns with a poultice made from the flowers. | | Comments: | | Named for the conspicuous teeth along the leaf edges. |
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| Sawtooth sunflower leaves |  | | 128 KB | | Riley County, Kansas |
| | Sawtooth sunflower inflorescences |  | | 101 KB | | Riley County, Kansas |
| | Sawtooth sunflower |  | | 113 KB | | Riley County, Kansas |
| | Sawtooth sunflower leaves |  | | 147 KB | | Riley County, Kansas |
| | Sawtooth sunflower |  | | 184 KB | | Riley County, Kansas |
| | Sawtooth sunflower leaves |  | | 160 KB | | Riley County, Kansas |
| | Sawtooth sunflower bracts |  | | 90 KB | | Riley County, Kansas |
| | Sawtooth sunflower |  | | 76 KB | | Linn County, Kansas |
| | Sawtooth sunflower |  | | 111 KB | | Linn County, Kansas |
| | Sawtooth sunflower leaf |  | | 63 KB | | Linn County, Kansas |
| | Sawtooth sunflower |  | | 94 KB | | Leavenworth County, Kansas |
| | Sawtooth sunflower inflorescence |  | | 99 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
| | Sawtooth sunflower inflorescence |  | | 107 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
| | Sawtooth sunflower inflorescences |  | | 99 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
| | Sawtooth sunflower habit |  | | 188 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
| | Sawtooth sunflower florets |  | | 123 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
| | Sawtooth sunflower habit |  | | 124 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
| | Sawtooth sunflower leaf |  | | 94 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
| | Sawtooth sunflower leaf |  | | 103 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
| | Sawtooth sunflower winter habit |  | | 142 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
| | Sawtooth sunflower winter habit |  | | 118 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
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