Symphyotrichum oolentangiense (Riddell) G.L.Nesom
Family: Asteraceae
azure aster,  more...
[Aster azureus Lindl.,  more]
Symphyotrichum oolentangiense image
Merel R. Black  
Etymology: Aster: from the Greek aster, "a star," describing the radiate heads of the flowers
Plants: erect, perennial, 2'-3' tall forb
Leaves: mostly toward the bottom of the stem, thick, stiff, usually entire, lower leaves on long, often winged stalked, base usually heart-shaped, upper surface rough; upper leaves lance-like, stalkless but not claspingleaf drawing
Flowers: head 3/4"-1 1/3" wide with 10-25 blue to pink rays; bracts (phyllaries) with short, dark, diamond-shaped tip; inflorescence loose, branched cluster; blooms Aug.-Oct.
Habitat: full to partial sun; dry to moderate moisture; prairies, meadows; in sandy, loamy soil
Conservation Status: Native
- Leaf margins entire

- Only lower leaves with (occasionally winged) petioles (vs. S. shortii)

- Lower leaves cordate but upper not

- Leaves sand papery rough on both surfaces from dense short hairs (vs. S. shortii)

- Rays sparse, wide, light purplish-blue

- Phyllaries glabrous (vs. S. shortii)

- Most similar to S. shortii

Symphyotrichum oolentangiense image
Merel R. Black  
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Emmet J. Judziewicz  
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Merel R. Black  
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Merel R. Black  
Symphyotrichum oolentangiense image
Merel R. Black  
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Merel R. Black  
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Emmet J. Judziewicz  
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Merel R. Black  
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Aaron_Carlson  
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Aaron Carlson  
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Aaron_Carlson  
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Aaron_Carlson  
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Aaron Carlson  
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Aaron_Carlson  
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Aaron_Carlson  
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Aaron Carlson  
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