Senega Snakeroot (Polygala Senega) is a perennial herb with multiple stems up to 50 centimeters tall. The stems are usually unbranched, but some old plants can have branching stems. A mature plant can have up to 70 stems growing from a hard rootstock that spreads horizontally. The inflorescence is a spike of rounded white or greenish flowers. The fruit is a capsule containing two hairy black seeds.