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AGAVE AND YUCCA | CACTI | WILDFLOWERS

Erigeron Grandiflorus, Rocky Mountain Alpine Fleabane


Plants > Wildflowers > Asteraceae > Erigeron Grandiflorus
Rocky Mountain Alpine Fleabane; Erigeron grandiflorus along the Timber Lake Trail in Rocky Mountain National Park, Colorado
Erigeron grandiflorus along the Timber Lake Trail in Rocky Mountain National Park, Colorado
Common names:
Rocky mountain alpine fleabane, large flowered fleabane
Family:
Aster (Asteraceae)
Scientific name:
Erigeron grandiflorus
Synonym:
Erigeron simplex
Main flower color:
Pink
Range:
The Rocky Mountain states, plus parts of Nevada and Arizona
Height:
Up to 10 inches
Habitat:
Meadows, tundra and rocky locations in the high mountains; 9,500 to 13,500 feet
Leaves:
Oblanceolate, ovate or spatulate, up to 3 inches long
Season:
July to September
Pintrest
Erigeron grandiflorus is a plant of the high mountains, growing at or above the treeline. In favourable locations the flower stalks can reach a height of 10 inches, but on less good ground they are just 2 to 4 inches tall. The green leaves are usually spatulate in shape, and basal, while the unbranched stems are greenish-red in color, and sparingly hairy. Leaves are often lightly glandular (sticky).

Flowerheads are comparatively large, up to 2 inches across, with between 50 and 130 light pink or bluish ray florets and a center of yellow disc florets. Rays are overlapping, and somewhat wider than those of many other erigeron species. The green or purplish phyllaries have quite a dense covering of thick, shaggy, flattened hairs, usually colored white, sometimes purple.




Leaves and stems
Leaves and stems
Rocky Mountain Alpine Fleabane
Phyllaries and upper stem
Developing flowerhead
Developing flowerhead
Florets and phyllaries
Florets and phyllaries
Pink and yellow flowerhead
Pink and yellow flowerhead
Hairy phyllaries
Hairy phyllaries
Oblanceolate leaves
Oblanceolate leaves
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