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Black Locust Robinia pseudoacacia |

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A fast growing tree in the legume family. Black locust grows 30-90' with a
trunk up to 4' in diameter. Because it forms large multiple-stemmed clones
it can take over large areas. |
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Leaves: Leaves are arranged in
pairs with one leaflet at the tip. Leaves will be bluish green on top and
pale on the bottom and will emerge slow in the spring Flowers: White and pea-like.
Blooms in late fall
Fruits & Seeds: Flat, shiny,
brown pods that are 2-6" long consist of 4-8 seeds. Seed pods often stay on
tree all winter.
Roots: Extensive system of
fibrous roots and shallow rhizomes.
Ecological threats
 | Black locust invades forests,
prairies, oak savannas, pasture, fields and roadsides. |
 | Damage to roots or stems from
fire, wind, cutting, or disease will stimulate sprouting, root suckering
and lateral spread |
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