This is Hibiscus tiliaceus, also known as sea hibiscus, vau tree, coastal hibiscus, coastal cottonwood, green cottonwood, native hibiscus, native rosella, cottonwood hibiscus, beach hibiscus, kurrajong, and sea rosemallow. This Hibiscus is referred to in many different languages. It is known as maribago or malabago in Cebuano, and as balibago in Tagalog, and waru in Indonesian, and hau in Hawaiian, and fau in Samoan, and finally it is known as purau in Tahitian. These gorgeous flowers open up as bright yellow blossoms and as the day goes on they change into and orange, and then a deep red at the end of the day. The wood from this plant is a high quality dense hardwood. It is used in wood carving and high quality furniture. The young leaf shoots can be eaten as vegetables. Hibiscus plants in general are a nectar source for the Cloudless Sulphur, Orbed Sulphur, Disguised Scrub-Hairstreak, Yojoa Scrub-Hairstreak, Dukes Skipper, Large Orange Sulphur, White Angled-Sulphur, Yellow Angled-Sulphur, and Monk butterflies, and larval hosts for the Bumelia Webworm and Pearly Wood-nymph moths, and the Cloudless Sulphur butterfly. USDA Hardiness Zones 10 to 12.