Prairie Aster
Symphyotrichum turbinellum (Lindley) G.L. Nesom is mostly Ozarkian and native to open, dry, acidic (chert, sandstone, or granite), rocky or loamy soils, woods and glades on upland slopes and ridges in soils associated with or on leached soils above bluffs, pastures, roadside (Brouillet et al. 2021; FNA). The species has distal leaves (10–)15–100 × 1–5 mm, without axillary clusters, turbinate to cylindro-campanulate involucres , 7–12 mm, phyllaries in 6–9 series, and ray corollas light blue to purple, blades 12–20 mm. The species is high polyploid (2n=96).
Brouillet, L., J.C. Semple, G.A. Allen, K. Chambers and S. Sundburg. 2006. Symphyotrichum Nees. pp. 465-539. In Flora North America Editorial Committee, eds. Flora of North America. Vol. 20. Asteraceae, Part 2. Astereae and Senecioneae. Oxford University Press, New York.
Last revised 15 May 2025 by J.C. Semple
© 2025 J.C. Semple, including all photographs unless otherwise indicated
1-4. Symphyotrichum turbinellum. 1. Wild plant, Semple & Chmielewski 5272, St. Clair Co., Missouri. 2. Large plant transplanted to garden, À¶Ý®ÊÓÆµ, Ontario native to Missouri. 3. Mid stem. 4. Flowering heads.