06/12/2026
Hawaiian name: ‘Ānaunau
Botanical name: Lepidium bidentatum var. o-waihiense
Family: Brassicaceae (Mustard Family)
Status: Endemic
Where found: Maui, Moloka‘i, Lāna‘i, Hawai‘i, O‘ahu & Kaua‘i
Water/Light: Dry, with full to partial sunlight
Elevation range: 150 to 400 feet
Height: 1 to 2 feet, with an up to 2 foot spread
ʻĀnaunau (Lepidium bidentatum var. o-waihiense), an endemic variety, is found on all the Main Islands, except Niʻihau and Kahoʻolawe. In the Northwest Islands it is found on Kure Atoll (Kānemilohaʻi) and Pearl & Hermes Atoll (Holoikauaua), but now extinct on Midway (Pihemanu) and Laysan (Kauō). ‘Ānaunau is easy to grow and self propagates. The leaves can be eaten raw or cooked, and have a peppery smell and flavor to them. Try adding ‘ānaunau to your green salad! This native is also used medicinally throughout Polynesia for various ailments.
*Photo courtesy of Forest & Kim Starr