UW Burke Herbarium species comparison

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Gleditsia triacanthos

honey locust
Habit Large tree to 45 m., the trunk and branches armed with simple or branched spines 6-10 cm. long.
Leaves

Leaves alternate, pinnate or bipinnate; pinnate leaves 10-15 cm. long, leaflets 15-37, elliptic, 2-4 cm. long, remotely serrate; bipinnate leaves up to 20 cm. long with 8-14 pinnae, each with up to 31 leaflets about 2 cm. long.
Flowers

Inflorescence of pendulous racemes 5-15 cm. long;

flowers inconspicuous, greenish, regular, not two-lipped.
Fruits

Pods leathery, flat and twisted, 30-50 cm. long and 4-7 cm. wide, the numerous seeds embedded in pulp.

Gleditsia triacanthos
Flowering time April-June
Habitat On edge of riparian zones, typically in areas with some level of disturbance.
Distribution
Occurring east of the Cascades crest and in the Columbia River Gorge in Washington; Washington to California, east across North America where native to the central and eastern regions.
[WildflowerSearch map]
[BONAP county map]
Origin Introduced from central and eastern North America
Conservation status Not of concern
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Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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