Black Locust Robinia pseudoacacia.
Leaf:
 | The leaves of the black locust are alternate and compound. They have oval leaflets with smooth, rounded edges. They are dark green in color with a pale underside, which is smooth except for the veins. They are about two inches in length and around one inch in width. |
Twigs:
| The twigs are strong, reddish-brown in color, and often zigzag. There are sharp thorns where the leaves are attached. |
Bark:
| The bark has raised ridges and is gray or black in color. |
Flower:
| The flowers appear around May or June. They are around one inch long, in groups, and are white with a yellow spot. |
Form:
| The average black locust tree can grow up to seven feet tall and around two and half feet in diameter. |
Discussion:
| The wood is heavy and strong, usually used for fence posts and tool handles. Black locusts are often planted for ornamental purposes and can be found in woodlands, thickets, and by roadsides. |
This is the bark of the black locust |
These are the branches of the black locust |
The leaves of the black locust |
 |
MSN Maps and Directions. www.mapblast.com
Location: Cumberland High School, 1496 IL Route 121, Toledo, IL 62468
GPS Coordinates: N 39° 15.375'
W 088° 11.589'
Elevation 600 feet
Distance 328.13 feet
Bearing N
References:
Mohlenbrock, Robert H., Forest Trees of Illinois. Springfield: Illinois Department of National Resources, Eighth Edition.
Black Locust. 1 Apr. 2004. 28 Oct. 2004 <http://www.nps.gov/plants/alien/fact/rops1.htm>.
©Copyright: 29 October 2004 Cumberland High School, Georgia A. All rights reserved.
Photos courtesy: © Copyright 29 October 2004. Georgia A. All rights reserved.
Contact Information: lstarwalt@cumberland.k12.il.us
Click here to link back to Trees and Shrubs of Illinois main page.