Golden-shower is native southeast Asia. In its native distribution it reaches a height of 60 feet, with a trunk 3 feet in diameter. The leaves are up to 1.5 feet long and are composed of up to sixteen leaflets, each up to 6 inches long. Flowers are up to 2 inches wide and are grouped in long-lasting hanging inflorescences. Fruits are cylindrical capsules, up to 2 feet long, with many internal divisions in which the seeds develop surrounded by a sticky pulp. It flowers mostly from spring to autumn and the fruits fall without opening from autumn to spring. The generic name derives from the name Kasia, used by the Greek pharmacologist and botanist Dioscorides. The species name means tube, in reference to the shape of the fruit.

The photographed tree is in the plaza across from the Dean of Students Building and is the only member of the species in the campus. It was planted by Hipólito Irizarry after 1954.

Cassia fistula (Fabaceae)