Koki‘o ‘ula‘ula (Hibiscus kokio ssp. saintjohnnianus)
Hawaiian name: Koki‘o ‘ula (koki‘o, koki‘o ‘ula‘ula, mākū)
Botanical name: Hibiscus kokio subsp. saintjohnianus
Family: Malvaceae (Mallow family)
Status: Endemic, At Risk
Where found: Kaua‘i
Water/Light: Dry, with full sun exposure
Elevation range: 450 to 3,300 feet
Height: 10 to 20 feet, with a 10 foot spread

Notes: This species of koki‘o ‘ula is native to northwestern Kaua'i, but can be seen growing at Maui Nui Botanical Gardens. It was named for famous botanist, Harold St. John, a much loved professor at the University of Hawai'i. Flowers of this species can range from orange to red or, a more rare, yellow. In Early Hawai‘i, koki‘o ‘ula was added to a medicinal remedy consumed to purify the blood. The leaves were also chewed and swallowed as a laxative, and the seeds were used to strengthen a weakened child. Koki‘o ‘ula is drought tolerant
From Work Done by Whit Germano to Catalog Native Hawaiian Plants
MNBG
- Koki‘o ‘ula‘ula (Hibiscus kokio ssp. saintjohnnianus)
- Koki‘o ke‘oke‘o (Hibiscus arnottianus subsp. immaculatus)
- Kou (Cordia subcordata)
- Kukui (Aleurites moluccana)
- Loulu (Pritchardia remota)
- Maʻo (Gossypium tomentosum)
- Naio (Myoporum sandwicense)
- Pōhinahina (Vitex rotundifolia)
- Pōkalakala (Polyscias racemosa)
- Wauke (Broussonetia papyrifera)
- Wiliwili (Erythrina sandwicensis)