Title: Lei Day
Content:  Each island in Hawaii has a special flower that represents that island. The island of Hawaii, more commonly known as The Big Island, has the red blossom of the Ohia tree, called the lehua blossom, for its flower. The island of Maui's flower is called the Lokelani and is pink. The island of Oahu's flower is called the Ilima. The Ilima's color is golden and can be seen all across the island. Molokai uses the flower of the Kukui tree which is green. Lanai has a grassy flower called Kauna'oa, which is yellow. Hinahina, the flower of the island of Kahoolawe, has a silver-gray color across the top. Kauai has mokihana flowers with a green color. The island of Niihau's "flower" is actually shells called Pupu.
Title: Hawaiian hibiscus
Content:  as an endangered species by the USFWS. The yellow flower of this species was made the official state flower of Hawaii on 6 June 1988, and although endangered in its natural habitats, has become a moderately popular ornamental in Hawaiian yards. ; Hibiscus clayi O.Deg. & I.Deg. is an endemic shrub or small tree with bright red flowers, generally similar to H. kokio, and found in nature on Kauai in dry forests. It is listed as endangered by USFWS. ; Hibiscus furcellatus Desr. is a pink-flowered hibiscus considered an indigenous species, typically found in low and marshy areas of the Caribbean, Florida, Central and South America, and Hawaii, where it is 
Title: Hawaiian hibiscus
Content:  Hawaiian hibiscus are seven species of hibiscus native to Hawaii. The yellow hibiscus is Hawaii's state flower. Most commonly grown as ornamental plants in the Hawaiian Islands are the Chinese hibiscus (Hibiscus rosa-sinensis) and its numerous hybrids, though the native Hibiscus arnottianus is occasionally planted. The native plants in the genus Hibiscus in Hawaii are thought to have derived from four independent colonization events for the five endemic species (four closely related species plus the yellow-flowered species) and one each for the two indigenous species.
Title: Hibiscus
Content:  The hibiscus is a national symbol of Haiti, and the national flower of nations including the Solomon Islands and Niue. Hibiscus syriacus is the national flower of South Korea, and Hibiscus rosa-sinensis is the national flower of Malaysia. Hibiscus brackenridgei is the state flower of Hawaii.
Title: Index of Hawaii-related articles
Content: Yellow hibiscus (state flower) ; Yomei Seamount ; Youth Speaks Hawaii ; Yuryaku Seamount ; YWCA Building (Honolulu, Hawaii) 
Title: List of U.S. state and territory plants and botanical gardens
Content:  In addition to Hawaii's state plant, Hawaii has official state flowers and lei-making material for the individual islands of Hawaii:
Title: Index of Hawaii-related articles
Content:  Court of Hawaii ; Symbols of the State of Hawaii Subaru Telescope ; Submillimeter Array ; Submillimetre Common-User Bolometer Array ; Sugar plantations in Hawaii ; Suiko Seamount ; Sunset Beach (Oahu) ; Supreme Court of Hawaii ; Symbols of the State of Hawaii Hawaii state bird: Nēnē (Branta sandvicensis) ; Hawaii state dance: Hula ; Hawaii state fish: Humuhumunukunukuāpuaa (Rhinecanthus rectangulus) ; Hawaii state flag: Flag of the State of Hawaii ; Hawaii state flower: Mao hau hele (Hibiscus brackenridgei) ; Hawaii state food: Coconut muffin (unofficial) ; Hawaii state gem: Black coral ; Hawaii state individual sport: Surfing ; 
Title: List of Hawaii state symbols
Content: Hawaii state auana (modern) musical instrument: Ukulele ; Hawaii state bird: Nēnē (Branta sandvicensis), also known as the Hawaiian goose ; Hawaii state dance: Hula ; Hawaii state fish: Humuhumunukunukuāpuaa  (Rhinecanthus rectangulus), also known as the reef triggerfish ; Hawaii state flag: Flag of the State of Hawaii ; Hawaii state flower: Pua aloalo or mao hau hele (Hibiscus brackenridgei A. Gray), also known as the native yellow hibiscus ; Hawaii state gem: Ēkaha kū moana, also known as black coral ; Hawaii state individual sport: Hee nalu, also known as surfing ; Hawaii state insect: Pulelehua (Vanessa tameamea), also known as the Kamehameha butterfly ; Hawaii state kahiko (traditional) musical instrument: Pahu ; Hawaii state land mammal: Ōpeapea (Lasiurus cinereus semotus), also known as the Hawaiian hoary bat ; Hawaii state language: Hawaiian language,  English language ; Hawaii state mammal: Īlioholoikauaua (Neomonachus schauinslandi), also known 
Title: List of Hawaii state symbols
Content:  the Hawaiian monk seal ; Hawaii state marine mammal: Koholā (Megaptera novaeangliae), also known as the humpback whale ; Hawaii state microbe: Flavobacterium akiainvivens (proposed) ; Hawaii state motto: "Ua mau ke ea o ka aina i ka pono" ("The life of the land is perpetuated in righteousness") ; Hawaii state plant: Kalo (Colocasia esculenta (L.) Schott), also known as taro ; Hawaii state popular name: "The Aloha State" ; Seal of the State of Hawaii.svgi state seal: Great Seal of the State of Hawaii ; Hawaii state song: "Hawaii Ponoī" ; Hawaii state spirit: The Aloha Spirit ; Hawaii state team sport: Heihei waa, also known as outrigger canoe paddling ; Hawaii state tartan: [[:File:Hawaii State Tartan.jpg|Hawaii State Tartan]] (unofficial) ; Hawaii state tree: Kukui tree (Aleurites moluccanus), also known as the candlenut tree ; United States quarter dollar - Hawaii 20082008 HI Proof.png 
Title: Floral emblem
Content:  The Tahitian gardenia (tiare flower) is the national flower of Tahiti, French Polynesia, and the Cook Islands.

Question: what is the national flower of hawaii?
Answer: Hawaiian hibiscus.