Pau d'arco (Tabebuia impetiginosa) is a large deciduous tree, reaching 80 cm in diameter and 30 m in height. A third of this height is usually the trunk, and two-thirds is a crown with long branches. The crown of the tree is large, spherical, but often rare. Leaves are unpaired, 5 to 8 cm long, elliptical in shape, with slightly serrated edges. The bark is brownish gray, hard and hard to separate. The wood has a pleasant yellowish color, without knots, extremely durable and heavy. The tree blooms from July to September, until the appearance of new leaves. The flower is large, in the form of a tube, the petals are usually pink or lilac, occasionally white, about 5 cm long. The fruit is a narrow drop-down box containing several winged seeds.