Caesalpinia decapetala (Roth) Alston
[C. sepiaria Roxb.]
cat's claw, Mysore thorn, wait a bit

This deciduous, sprawling, noxious shrub, with numerous spines, forms impenetrable thickets. The medium-sized seeds may be dispersed by rodents and granivorous birds, but man is almost certainly the principal dispersal agent in Hawai'i. The seeds are carried down streams to form new infestations.  Fire tolerance in Hawai'i is unknown, and the potential for biological control has not been evaluated.

The plant is confined to dry to mesic lowland habitats. There are several infestations along the Honouliuli trail of the Wai'anae Mountains and on the windward side of O'ahu, the upper pastures and adjacent forest of much of northeastern Kaua'i, and Kakipi Gulch, Maui.

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