Populus heterophylla L.

NEW YORK BOTANICAL GARDEN
02470472
PLANTS OF ILLINOIS, USA
Populus heterophvlla L.
Salicaceae
Det.: S. R. Hill, (ILLS) 2001 Swamp cottonwood.
UNION COUNTY 37° 26.610’ N. Lat. 89° 23.792’ W.
Long. T. 12S, R. 3W, S1/2 NE1/4 and adjacent N1/2
SE1/4 of NW1/4 SW1/4 Sect. 25 Ware, Illinois Route 3
(FAP 312), west side, south of truck weigh station,
0.3-0.4 mile south of junction with Illinois Route 146.
Mississippi River floodplain. Ware 7.5 minute U.S.G.S.
quadrangle. Elevation 340-350 feet. Alluvial soil,
muck, shallow water.
Cypress swamp bordered by floodplain forest,
dominated by Forestiera acuminata, Populus
heterophylla, Taxodium distichum, Fraxinus
pennsylvanica, Salix nigra, Cephalanthus
occidentalis. Common small tree about 10 meters
tall, dominant at midstory; fruits green, pendulous,
nearly mature.
Steven R. Hill 33768	16 May 2001
Jason A. Koontz
02470472