Family: Asteraceae
flat-top aster, parasol aster, tall flat-topped white aster
[Aster umbellatus Mill.]
Merel R. Black
Kenneth J. Sytsma
University of Wisconsin - Madison (WIS-VP)
Etymology: Aster: from the Greek aster, "a star," describing the radiate heads of the flowers
Plants: erect, perennial, 1'-7' tall forb; stems usually hairless below the inflorescence; from creeping rhizomes
Leaves: only along the stem, toothless, mostly stalkless, tapering at both ends, 4-6 times as long as wide
Flowers: head 2/3"-1" wide with 7-14 white rays; inflorescence of many heads in flat-topped, dense, branched clusters; blooms July-Sept.
Fruits: dry seed with a few hairs from a thick and firm pappus
Habitat: moist; meadows, woods, forests
Conservation Status: Native
Plants: erect, perennial, 1'-7' tall forb; stems usually hairless below the inflorescence; from creeping rhizomes
Leaves: only along the stem, toothless, mostly stalkless, tapering at both ends, 4-6 times as long as wide
Flowers: head 2/3"-1" wide with 7-14 white rays; inflorescence of many heads in flat-topped, dense, branched clusters; blooms July-Sept.
Fruits: dry seed with a few hairs from a thick and firm pappus
Habitat: moist; meadows, woods, forests
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 6, Wetland Indicator = FACW 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 University of Wisconsin - Green Bay: Vascular Plants: Photos, descriptions, information
Kenneth J. Sytsma
Merel R. Black
Hugh H. Iltis
Paul Drobot
Aaron_Carlson
