White Rosemallow

Photograph of Hibiscus arnottianus subsp. arnottianus. Cultivated Bishop Museum.

Photograph of Hibiscus arnottianus subsp. arnottianus.

Photograph of Hibiscus arnottianus subsp. arnottianus. Cultivated National Tropical Botanical Garden.

Photograph of Hibiscus arnottianus subsp. arnottianus. Cultivated National Tropical Botanical Garden.

Photograph of Hibiscus arnottianus subsp. arnottianus. Cultivated National Tropical Botanical Garden.

Photograph of Hibiscus arnottianus subsp. arnottianus. Cultivated National Tropical Botanical Garden.

Kokio keokeo or Oahu white hibiscusMalvaceaeEndemic to the Hawaiian IslandsOahu (Cultivated)The two native Hawaiian white hibiscuses, Hibiscus arnottianus and H. waimeae, are the only known species of hibiscuses in the world known to have fragrant flowers!Early Hawaiians used these flowers medicinally. The bases of the buds of hau hele (H. arnottianus, H. furcellatus) were chewed by the mother and given to infants as a laxative. Too, children would chew and swallow seeds for general weakness of the body.NPH00011nativeplants.hawaii.edu/plant/view/Hibiscus_arnottianus_a...

Kokio keokeo or Oahu white hibiscusMalvaceaeEndemic to the Hawaiian IslandsOahu (Cultivated)The two native Hawaiian white hibiscuses, Hibiscus arnottianus and H. waimeae, are the only known species of hibiscuses in the world known to have fragrant flowers!Early Hawaiians used these flowers medicinally. The bases of the buds of hau hele (H. arnottianus, H. furcellatus) were chewed by the mother and given to infants as a laxative. Too, children would chew and swallow seeds for general weakness of the body.NPH00012nativeplants.hawaii.edu/plant/view/Hibiscus_arnottianus_a...

Kokio keokeo or Oahu white hibiscusMalvaceae (Mallow family)Endemic to the Hawaiian Islands (Oahu in wet to mesic forests in the Waianae and Koolau Mountains)Oahu (Cultivated)The two native Hawaiian white hibiscuses, Hibiscus arnottianus and H. waimeae, are the only known species of hibiscuses in the world known to have fragrant flowers!Early Hawaiians used these flowers medicinally. The bases of the buds of hau hele (H. arnottianus, H. furcellatus) were chewed by the mother and given to infants as a laxative. Too, children would chew and swallow seeds for general weakness of the body.EtymologyThe generic name Hibiscus is derived from hibiscos, the Greek name for mallow.The specific epithet is named in for George Walker Arnott (1799-1868), Scottish botanist, traveler, collector and director of the Glasgow Botanic Gardens.Flowers have a white staminal (stamen) column and fittingly has the subspecific epithet immaculatus, Latin for "without spots" or "pure."nativeplants.hawaii.edu/plant/view/Hibiscus_arnottianus_a...