Croton membranaceus seedlings

It consists of the dried roots of Sphenocentrum jollyanum. Sphenocentrum jollyanum  is a perennial under growth of dense forest. It grows to an average height of about 1.5 m, with few scanty branches. S. jollyanum leaves are wedge-shaped, about 5–12 cm wide, smooth on both sides, and can grow up to about 20 cm long with a small-arrowed apex.

The root is used as an aphrodisiac tonic for men. The sap from chewing sticks made from the root is believed to relieve stomach-ache and constipation, and to boost appetite and sexual drive. Sphenocentrum jollyanum has shown anti-oxidant, anti-angiogenic, anti-inflammatory, antipyretic, antinociceptive, antitumor, antiviral, laxative, stomachic, tonic and aphrodisiac activities.