Rubus caesius L.

Cited in:
Widrlechner, M. P. & W.H. Wagner, Jr. 1998.
Occurrence of European dewberry, Rubus caesius
(Rosaceae), naturalized in Iowa and Michigan.
Michigan Bot. 37: 107-112.
Plants of Michigan
Rubus caesius
Washtenaw Co.: Sylvan Twp., S. border of sect. 5,
T12S, R3E, NE side of junction of Ridge Rd. and
Glazier Rd; Waterloo Recreation Area, just N. of
Cavanaugh Lake, elev. 307 m. Large clone 45m long
and up to 4m wide, growing along old road, with an
extension running 35m into a brushy, open woodland
with Elaeagnus umbellata, Celtis tenuifolia, Populus
deltoides, Quercus velutina, and Sassafras albidum.
Large clone. Flowers: 4-8 carpels, sepals ovate with
1 mm apiculum. Fruits 1 to 7, Broadly ovoid, 3-7
mm long, few large drupelets, dk. blue, look like
blueberries, very sweet.
NEW YORK BOTANICAL GARDEN
W.H. Wagner 90044
29 Sep 1990
The University of Michigan Herbarium
02865454