Dracaena arborea

Dracaena arborea, the tree dracaena, is a species of flowering plant in the family Asparagaceae, native to western and west-central wet tropical Africa. It is used as a street tree in a number of African and Brazilian cities.

Description
A medium sized tree often reaching 20 m in height, sometimes up to 30 m, with width up to 30 cm in diameter. The stem tend to be yellowish brown when young but greyish when mature. Leaves commonly exceed 40 cm in length, sometimes reaching up to 150 cm, and width often exceeds 4 cm reaching up to 10 cm in width; leaves are narrowly oblanceolate in outline. Inflorescence arranged in pendulous panicles, flowers bunched in groups of 3 to 5 and at the end of branches.

Uses
Draceena arborea is often planted around burial sites to demarcate boundaries in parts of Cameroon and Burundi and is also planted for ornamental uses. A decoction composed of root extracts of the species mixed with palm wine is used to improve male sexual function in parts of Cameroon.