Helenium autumnale |
Asteraceae |
|
---|---|---|
common sneezeweed, large flowered sneezeweed |
||
Habit | Fibrous-rooted perennial, 1.5-12 dm. tall, nearly glabrous. | |
Leaves | Leaves numerous, lanceolate, narrowed to a sessile base from which wings are formed along the stem, only slightly reduced upward, 4-15 cm. long and 5-40 mm. wide, usually shallowly toothed, the lowest early-deciduous. |
|
Flowers | Heads usually numerous, sub-globose, the disk yellow, 1-2 cm. wide; involucral bracts narrow, herbaceous, soon deflexed; rays 10-20, pistillate, wedge-shaped, 3-lobed, yellow, soon deflexed; pappus of several series of papery scales, lanceolate or ovate, long-pointed, 2 mm. long. |
|
Fruits | Achenes truncately obpyramidal, 4-5 angled and ribbed. |
|
Helenium autumnale |
Asteraceae |
|
Flowering time | July-September | |
Habitat | Stream banks and other moist, low ground generally at low elevations. | |
Distribution | Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
|
|
Origin | Native | Native |
Conservation status | Not of concern | Not of concern |
Web links |
|
|