Taxonomy
Family: Cornaceae
Plants with blue fruit have been called Cornus foemina, though these are probably more appropriately applied to the southern Cornus stricta Lam.
Habitat
Open woodlands, woodland borders, wet prairies. Increases in number with disturbance.
Associates
Corylus americana, Fragaria virginiana, Fraxinus americana, Galium aparine, Geranium maculatum, Osmorhiza claytonii, Parthenocissus quinquefolia, Podophyllum peltatum, Potentilla simplex, Prunus serotina, Quercus alba, Quercus macrocarpa, Quercus rubra, Rhus radicans, Sanicula gregaria, Smilacina racemosa, Tilia americana, Viburnum lentago, Vitis riparia.
Distribution
ME and southern Quebec west to southern Manitoba, south to VA, southern IL, and MO.
Morphology
Thicket-forming shrub to 5 m; twigs of current year's growth glabrous or glabrate; young twigs normally gray; pith white (sometimes tan). Leaves smooth, opposite, with fewer than 5 pairs of lateral veins. Flowers small, white, in open cymes. Fruits white, sometimes light blue.
Notes
Flowers late May to early July
Wetland indicator: Facultative Wetland -
This shrub is sometimes a problem for stewards of prairies where it forms persistent thickets in wet depressions.
References
Dirr, Michael A.
1998. Manual of Woody Landscape Plants: Their Identification, Ornamental
Characteristics, Culture, Propagation and Uses.
5th ed. Champaign, Illiois: Stipes Publishing L.L.C.
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 |