Jacaranda subalpina is a species of flowering tree native to Brazil.

The leaves are 25 to 45 cm in length and bipinnate, having between 11 and 23 pinnae and 17 to 23 leaflets.

The tops of the leaflets are dark green and the underside is "greenish gray" with sparse fine hairs.

The calyx curves inward in a funnel shape.

The flowers have purple petals and a white throat, and are 4.5 to 6.5 cm long and 3 to 5 cm wide at the mouth.