Taxonomy
Family: Fabaceae
Habitat
Dry and mesic prairies. Sandy prairies.
Associates
Amorpha canescens, Andropogon gerardii, Andropogon scoparius, Anemone cylindrica, Bouteloua curtipendula, Coreopsis palmata, Dodecatheon meadia, Eryngium yuccifolium, Liatris spicata, Lithospermum canescens, Monarda fistulosa, Petalostemum purpureum, Phlox pilosa, Pycnanthemum virginianum, Ratibida pinnata, Silphium integrifolium, Sorghastrum nutans, Sporobolis heterolepis, Stipa spartea. In sand prairies also found with Euphorbia corollata, Helianthus mollis, Helianthus occidentalis, Lespedeza capitata, Liatris aspera, Tradescantia ohiensis.
Distribution
WI and IN south to TN and AL, west to Alberta, AZ, and northern Mexico.
Morphology
Perennial to 1 m. Leaves pinnate compound, with less than 5 pairs of leaflets; leaflets usually more than 2mm wide. Flowers white in cylindrical heads 1.5-6 cm long; calyx and bracts glabrous or glabrate.
Notes
Flowers late June to early October
Wetland indicator: Upland
Often found growing with purple prairie clover.
References
Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY
Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.
Michael Hough © 2004 |