Honeylocust (Gleditsia triacanthos)

Plantae>Magnoliophyta>Magnoliopsida>Fabales>Fabaceae>Gleditsia triacanthos L.

Honeylocust (Gleditsia triacanthos)

Honeylocust is an uncommon, medium-large tree of waste places and edges, introduced from the mid-western US.

Granville Co., NC 4/26/09.

Honeylocust (Gleditsia triacanthos)

The long, pinnately or bi-pinnately compound leaves, with many small leaflets, are distinctive. Black Locust (Robinia pseudoacacia) is the most similar species, but has much smaller thorns and smaller pods.

Honeylocust (Gleditsia triacanthos)

The large, wicked thorns are often forked. Some cultivars are thornless.

Honeylocust (Gleditsia triacanthos) thorns

Durham Co., NC 12/6/08.

Honeylocust (Gleditsia triacanthos) thorns

Durham Co., NC 12/6/08.

Honeylocust (Gleditsia triacanthos)

Durham Co., NC 8/19/07.

Honeylocust (Gleditsia triacanthos)

Durham Co., NC 8/19/07.

Honeylocust (Gleditsia triacanthos)

Durham Co., NC 8/19/07.

Honeylocust (Gleditsia triacanthos)

Durham Co., NC 8/19/07.

Honeylocust (Gleditsia triacanthos) bark

The bark of small trees soon breaks into plates.

Orange Co., NC 1/11/09.

Honeylocust (Gleditsia triacanthos) bark

Orange Co., NC 1/11/09.

Honeylocust (Gleditsia triacanthos)

The trunks of open-grown trees can be quite heavily armed.

Honeylocust (Gleditsia triacanthos) bark

The bark on large trees breaks into long ridges.

Honeylocust (Gleditsia triacanthos) bark

Bark of a large tree.

Granville Co., NC 4/26/09.

More information:
Trees of Alabama and the Southeast
US Forest Service Silvics Manual
Virginia Tech Dendrology

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cwcook@duke.edu

All photographs and text ©2009 by Will Cook unless otherwise indicated.