COMMON SNEEZEWEED
|
 |
| File Size: 68 KB |
|
|
|
Helenium autumnale L.
|
| Linn County, Kansas |
| Perennial |
| Height: 12-40 inches |
| Family: Asteraceae - Sunflower Family |
| Flowering Period: August, September,October |
|
| Stems: | | Erect, much-branched above, winged, moderately to densely pubescent. | | Leaves: | | Alternate, mostly cauline, basal withering early; petiole present or absent; blade oblanceolate to elliptic, 1.2 to 4.8 inches long, .03 to 1.6 inches wide, margins dentate to entire, surfaces gland-dotted. | | Inflorescences: | | Heads 5-100, radiate, solitary or in panicle-like or corymb-like arrays. Involucres globose. Phyllaries lanceolate to linear, strongly reflexed. | | Flowers: | | Ray florets 10-20, pistillate, fertile; corolla yellow, .3 to .6 inch. Disk florets 200-800, bisexual, fertile; corolla yellow. | | Fruits: | | Achenes reddish brown, obpyramidal, 4-5-angled, .04 to .08, moderately pubescent, especially on ribs; pappus of 5-7 tiny, transparent scales. | | Habitat: | | Mesic tallgrass prairies, swales, and wetlands | | Distribution: | | East 1/3 of Kansas | | Origin: | | Native | | Toxicity: | | Will cause neurologic problems in horses and sheep when grazed. | | Uses: | | The flowers and leaves of various species of Helenium have been used as a snuff to induce sneezing to clear congested nasal passages, as fish poisons, and in the treatment of intestinal worms. | | Comments: | | Helenium, for Helen of Troy and autumnale autumn, alluding to the late blooming period. |
|
| Common sneezeweed inflorescence |  | | 164 KB | | Linn County, Kansas |
| | Common sneezeweed head |  | | 67 KB | | Linn County, Kansas |
| | Common sneezeweed winged stem |  | | 77 KB | | Linn County, Kansas |
| | Common sneezeweed leaf |  | | 60 KB | | Linn County, Kansas |
| |
|
|
|
|
|
|
