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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 clasping ![]() 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
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 5 Atlas of the Wisconsin Prairie and Savanna Flora: by T.S. Cochrane & H.H. Iltis: habitat, distribution infomation / flowering and fruiting times USDA Plants Database: Federal Distribution and detailed information including photos Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. University of Wisconsin - Green Bay: Vascular Plants: Photos, descriptions, information Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key
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© Wisconsin State Herbarium, UW-Madison
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