Etymology: Aster: from the Greek aster, "a star," describing the radiate heads of the flowers
Plants: erect, perennial, 2'-5' tall forb; long, colony-forming rhizomes
Leaves: only along the stem, usually entire, lance-like
Flowers: head 1/3"-1" wide with 20-40 blue to white rays; inflorescence long, leafy clusters with many heads
Habitat: moist; low areas
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 5, Wetland Indicator = OBL USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Vascular Plants: Photos, descriptions, information USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc.