Calycophyllum spruceanum,[2] common names capirona and Pau-Mulato, is a canopy tree belonging to the Gardenia Family (Rubiaceae) indigenous to the Amazon rainforest.

[4] Its bark is shed periodically to avoid lichens, fungi, epiphytes and lianas.

It fruits between July and November, seeds are dispersed by the wind and water.

This tree avoids lichens, fungi, epiphytes and lianas, by getting rid of its bark.

Calycophyllum spruceanum grows in the South American countries of Bolivia, Colombia, Brazil, Ecuador, and Peru.