Packera streptanthifolia |
Packera porteri |
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Rocky Mountain butterweed, cleftleaf groundsel, Rocky Mountain groundsel |
Porter's groundsel |
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Habit | Glabrous, fibrous-rooted perennial from a short, woody base or rhizome, 1-5 dm. high. | |
Leaves | Somewhat succulent, the basal ones with long petioles and mostly elliptic or sub-rotund blade, with course, rounded teeth or entire; cauline leaves few and reduced, becoming sessile on the upper stem but not clasping, about twice as long as wide, usually somewhat coarsely lobed toward their bases. |
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Flowers | Heads several, involucres 5-7 mm. high; rays 6-12 mm. long, yellow. |
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Packera streptanthifolia |
Packera porteri |
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Flowering time | May-August | July-August |
Habitat | Moist to moderately dry open areas and forest, from middle elevations to the subalpine. | Talus slopes in the alpine. |
Distribution | Occurring on both sides of the Cascades crest in Washington; Yukon Territory to California, east to the Rocky Mountains and Sasketchewan.
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Reported east of the Cascades crest in Okanogan County in Washington; Washington and Oregon, also occurring in Colorado. |
Origin | Native | Native |
Conservation status | Not of concern | Endangered in Washington (WANHP) |
Sibling taxa | ||
Web links |