Taxonomy
Family: Euphorbiaceae
Habitat
Common in a variety of dry habitats. Mesic and dry prairie, lake dunes, pastures
Associates
various.
Distribution
.
Morphology
Most or all of the cauline leaves alternate. Leaves and bracts mostly linear to oblong or oblanceolate, green. Appendages of cyathia white, conspicuous, giving them a petal-like appearance.
Notes
Flowers early May to mid October
Wetland indicator: Upland
This is one of the most abundant herbaceous plants on the dunes of Lake Michigan. It is in bloom most of the growing season, with the number of blooms increasing as the summer progresses. Cyathia are the cup-like involucres characteristic of the genus Euphorbia.
Bibliography
Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.
Michael Hough © 2004 |