Peucedanum sandwicense is a rare species of flowering plant in the carrot family known by the common name makou.

The leaves have highly dissected blades borne on long, stout petioles.

[1] This plant, the only Peucedanum found in the Hawaiian Islands, grows in coastal canyons and on cliffs overlooking the ocean.

There are two small populations in the Waianae Range of Oahu, three on Molokai, ten on Kauai, and one on Keopuka Rock, an islet close to the coast of Maui.

[1] Threats to the species include non-native plants such as lantana (Lantana camara), as well as feral goats, hiking and the maintenance of hiking trails, fires, landslides and rockslides.