Jacaranda mimosifolia is a sub-tropical tree native to south-central South America that has been widely planted elsewhere because of its beautiful and long-lasting blue flowers. It is also known as jacaranda, blue jacaranda, black poui, or as the fern tree. The blue jacaranda has been cultivated in almost every part of the world where there is no risk of frost. The tree grows to a height of 5 to 15 m with thin, grey-brown bark, smooth when the tree is young though it eventually becomes finely scaly. The twigs are slender and slightly zigzag; they are a light reddish-brown in color. The flowers are up to 5 cm long, and are grouped in 30 cm clusters. They appear in spring and early summer, and last for up to two months. They are followed by woody seedpods, about 5 cm in diameter, which contain numerous flat, winged seeds.