. . "IUCN2.3" . . . "CR" . . . . "Hibiscadelphus woodii (Wood's hau kuahiwi) was a species of flowering plant in the mallow family, Malvaceae, endemic to Kauai, Hawaii. It was a small tree, reaching a height of 2.5\u20135 m (8.2\u201316.4 ft).It was discovered in 1991 and described as a new species in 1995. Only four individuals were found at that time; three of those were crushed by a boulder and died between 1995 and 1998, and the last was found dead in 2011."@en .