Kaʻena or Kaena Point is the westernmost tip of land on the island of Oʻahu. In Hawaiian, kaʻena means 'the heat'. The area was named after a brother or cousin of Pele. The point is designated as a Natural Area Reserve. Some ancient Hawaiian folklore states that Kaʻena Point is the "jumping-off" point for souls leaving this world.
Hibiscadelphus distans is an extremely rare species of flowering plant in the mallow family, Malvaceae, that is endemic to the island of Kauaʻi in Hawaii. It is known as hau kuahiwi in Hawaiian, which means "upland Hibiscus tiliaceus." It is a bush or small tree with heart-shaped leaves and yellow flowers and grows at between 1,000 and 1,800 feet in the remnants of native dry forests. Despite its rarity, it is believed to be the only surviving species in the genus Hibiscadelphus which is only known from Hawaii, the other five species having recently become extinct in the wild, some being known from only a single plant.
Bidens amplectens, the Waiʻanae kokoʻolau, is a species of flowering plant in the family Asteraceae. It belongs to the genus Bidens, collectively called kokoʻolau or koʻokoʻolau in the Hawaiian language. It is found in coastal and dry lowland habitats in the Waiʻanae Range on Oʻahu. It is threatened by habitat loss due to the spread of invasive weeds and brush fires. The species is also threatened by climate change and habitat degradation, and herbivory. Bidens amplectens is currently listed as endangered under the Endangered Species Act.
Labordia cyrtandrae, the Koʻolau Range labordia, is a species of flowering plant in the Loganiaceae family. It is endemic to lowland tropical moist forests in Hawaiʻi, and is threatened by habitat loss. Like other Labordia species, this plant is known as Kamakahala.
Schiedea adamantis, commonly known as Diamond Head schiedea, is a species of flowering plant in the family Caryophyllaceae, that is endemic to the island of Oʻahu in Hawaii. It inhabits low shrublands on steep slopes along the northwest rim of Diamond Head Crater. Associated plants include nehe, kāwelu, ʻakoko, and ʻilima. There are only about 30 individuals remaining, and they are threatened by habitat loss.
Lipochaeta, common name nehe, is a genus of flowering plants in the family Asteraceae that is endemic to Hawaii.
Melanthera, squarestem, is a genus of flowering plants in the family Asteraceae, native to North and South America, as well as Africa, Asia and Oceania, including Hawaiʻi.
Kadua degeneri is a rare species of flowering plant in the coffee family known by the common names Waianae Range starviolet and Degener's bluet. It is endemic to Hawaii, where it is known only from the island of Oahu. There are four known populations totalling 370 individuals. It is a federally listed endangered species of the United States.
Lepidium arbuscula is a rare species of flowering plant in the mustard family known by the common names `anaunau and Waianae Range pepperwort. It is endemic to Hawaii, where it is known only from the Waianae Mountains on the island of Oahu. In 2003 there were ten populations remaining with fewer than 1000 individuals in total. It is a federally listed endangered species of the US.
Melanthera fauriei, known by the common name Olokele Canyon nehe, is a rare species of flowering plant in the aster family.
Melanthera kamolensis, known by the common name Maui nehe, is a rare species of flowering plant in the family Asteraceae.
Lipochaeta lobata is a species of flowering plant in the family Asteraceae known by the common name shrubland nehe. It is endemic to Hawaii, where it can be found in coastal dry shrublands and dry forests on Oʻahu, Maui, and Niʻihau.
Melanthera micrantha, known by the common name Kauai nehe, is a rare species of flowering plant in the family Asteraceae.
Melanthera venosa is a rare species of flowering plant in the family Asteraceae known by the common name spreading nehe. It is endemic to Hawaii, where it is known only from the island of Hawaii. It is federally listed as an endangered species of the United States.
Melanthera waimeaensis is a rare species of flowering plant in the family Asteraceae known by the common name Waimea Canyon nehe. It is endemic to Hawaii, where it is known only from the island of Kauai. It is federally listed as an endangered species of the United States.
Lobelia oahuensis is a rare species of flowering plant in the bellflower family known by the common name Oahu lobelia. It is endemic to Hawaii, where it is known only from the island of Oahu. There are about 100 individuals remaining in the Koʻolau Range, and only one known individual in the Waianae Range. It is federally listed as an endangered species of the United States.
Peucedanum sandwicense is a rare species of flowering plant in the carrot family known by the common name makou. It is endemic to Hawaii, where it is known from Maui, Molokai, Kauai, and Oahu. It is threatened by introduced species of plants and animals. It is a federally listed threatened species of the United States.
Sanicula mariversa is a rare species of flowering plant in the family Apiaceae known by the common name Waianae Range black-snakeroot. It is endemic to Hawaii, where it is known only from the Waianae Mountains on the island of Oahu. It is threatened by the degradation of its habitat. It is a federally listed endangered species of the United States.
Schiedea kealiae is a rare species of flowering plant in the family Caryophyllaceae known by the common name Waianae Range schiedea. It is endemic to Hawaii, where it is known only from the Waianae Range on the island of Oahu. It is threatened by the degradation and destruction of its habitat. It was federally listed as an endangered species of the United States in 1996.
Tetramolopium lepidotum is a rare species of flowering plant in the family Asteraceae known by the common name Waianae Range tetramolopium. It is endemic to Hawaii, where today it is known only from the Waianae Mountains on the island of Oahu. It is threatened by habitat degradation caused by feral goats and pigs and introduced species of plants.
