Arnica dealbata |
Arnica parryi |
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Parry's arnica |
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Habit | Heads generally several, narrow, with few disk flowers; involucre 10-14 mm. high with pointed bracts, covered with stalked glands; rays about 8 or about 13, 1.5-2 cm. long; pappus straw-colored, sub-plumose. | |
Leaves | Cauline leaves 2-4 pairs, strongly reduced upward, with lanceolate or lance-ovate blades 5-20 cm. long and 1.5-6 cm. wide. |
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Flowers | Heads several, nodding in bud, rayless; involucres 10-14 mm. high, their bracts sharp pointed; pappus tawny, sub-plumose. |
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Fruits | Achenes glabrous to glandular or hairy. |
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Arnica dealbata |
Arnica parryi |
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Identification notes | The other rayless species in our area, Arnica discoidea, has wider leaves, and the heads are upright in bud. | |
Flowering time | June-August | |
Habitat | Open woods and meadows, from middle elevations to the alpine. | |
Distribution | Occurring on both sides of the Cascades crest in Washington; Yukon Territory to California, east to the Rocky Mountains.
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Origin | Native | |
Conservation status | Not of concern | |
Sibling taxa | ||
Web links |
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