Taxonomy
Family: Euphorbiaceae
Habitat
Beaches and dunes near Lake Michigan. Most common on the foredunes facing the lake.
Associates
Consistently associates with Cakile edentula and Corispermum hyssopifolium.
Distribution
.
Morphology
Plants glabrous. Most or all of the cauline leaves opposite or subopposite, entire, 7mm long or longer, linear oblong, abruptly rounded at base. Ovaries and capsules glabrous. Seeds with the faces smooth, mostly more than 1.8mm long.
Notes
Flowers early July to early November
Wetland indicator: Upland
Easily overlooked, often trampled.
Bibliography
Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.
Michael Hough © 2004 |