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Agoseris ×elata


Agoseris ×elata (Nutt.) Greene
NATIVE
Habit: Perennial herb 15--65(+) cm, generally erect. Leaf: petiole generally not purple; blade 15--45 cm, +- oblanceolate, acute (to obtuse), entire to lobed; lobes generally 2--4 pairs, +- lanceolate, +- spreading or angled toward leaf tip; +- glabrous, glaucous or not, hairs, if present, white-opaque, glandless. Inflorescence: peduncle becoming +- glabrous, base generally remaining hairy, base of head +- becoming glabrous (hairy), +- glandless; involucre 15--20 mm in flower, 20--40 mm in fruit; phyllaries generally rosy-purple except margin, +- darker spotted or tipped; outer lance-ovate to obovate, tapered to acute, +- (sparsely) hairy to tomentose, hairs generally +- yellow-translucent, glandular (occasionally mixed with white-opaque, glandless hairs), margin +- ciliate; inner elongating with fruit. Flower: generally 50--150; tube 8--10 mm, ligule generally 6--8 mm, +- equaling (exceeding) involucre, orange or yellow, generally drying +- purple; anthers 2--4 mm. Fruit: outermost generally different; body 8--10 mm, +- fusiform, tip generally gradually tapered; ribs straight, uniform, generally minutely coarse-hairy; beak 5--10 mm, generally = body; pappus 10--14 mm, in 2--3 series.
Ecology: Montane meadows, lake margins, streamsides; Elevation: generally 1400--2800 m. Bioregional Distribution: SNH; Distribution Outside California: Oregon, Washington. Flowering Time: Jun--Sep Note: Uncommon and confusing sp. of hybrid origin, the California populations involving Agoseris aurantiaca × Agoseris grandiflora and/or Agoseris monticola.
Synonyms: Agoseris elata (Nutt.) Greene
Unabridged Synonyms: Agoseris grandiflora var. laciniata (Nutt.) Jeps.; Agoseris laciniata (Nutt.) Greene; Agoseris tenuifolia Rydb.
Jepson eFlora Author: Error CHECK eFlora Treatments
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Citation for this treatment: Error CHECK eFlora Treatments 2012, Agoseris ×elata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=93846, accessed on February 22, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on February 22, 2019.