Acacia usumacintensis Lundell Mariosousa usumacintensis is a plant species native to the Mexican State of Tabasco.

It was named after the Río Usumacinta, near the location where the type specimen was collected.

[2][3] Mariosousa usumacintensis is a tree up to 15 m (50 feet) tall.

Prickles are located at the bases of the petioles, each prickle with a large flat gland near the base.

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