Agoseris heterophylla |
Agoseris ×elata |
|
---|---|---|
annual agoseris |
tall agoseris, tall goat-chicory |
|
Habit | Scapose, slender annual, usually glabrous, often with several scapes from the base, 3-40 cm. tall, with milky juice. | Scapose, mostly glabrous, stout perennial, 2-7 dm. tall, with milky juice. |
Leaves | Leaves oblanceolate, toothed or pinnatifid to entire, up to 15 cm. long and 1.5 cm. wide, mostly basal, but a few on the base of the stem. |
Leaves all basal, 10-30 cm. long and 1-7 cm. wide, entire or pinnatifid. |
Flowers | Heads solitary, small; involucre 5-13 mm. high in flower, elongating in fruit, with a few soft hairs; corollas all ligulate, yellow. |
Head solitary on the scape; involucre 2-3 cm. high, its bracts imbricate, the outer broader and blunter than the inner; corollas all ligulate, yellow. |
Fruits | Achene body 2-5 mm. long, prominently ribbed or winged, tapering to a slender beak 2-3 times as long. |
Achene body 8-10 mm. long, tapering to a slender beak of equal length. |
Agoseris heterophylla |
Agoseris ×elata |
|
Flowering time | April-July | June-July |
Habitat | Dry, open areas at low to mid-elevations. | Meadows and open woods, from the valleys to middle elevations in the mountains. |
Distribution | Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to Idaho, Montana, Utah, and Arizona.
|
Occurring on both sides of the Cascades crest in Washington; south-central British Columbia to California.
|
Origin | Native | Native |
Conservation status | Not of concern | Sensitive in Washington (WANHP) |
Sibling taxa | ||
Subordinate taxa | ||
Web links |
|
|