[2] This plant is a subshrub with woody-based, hairless branches up to half a meter long.

The oppositely arranged leaves have narrow, dark green blades up to 8 centimeters long by 1.1 wide.

The inflorescence is a branching cluster of flowers with small green sepals and no petals.

[3] This plant is now limited to three populations containing 300 to 500 individuals in the Waianae Mountains of Oahu.

The populations are threatened by the invasion of introduced species of plants into its habitat.