Hibiscadelphus giffardianus is a species of flowering plant in the mallow family, Malvaceae, that is endemic to the Big Island of Hawaii. It is believed to be extinct in the wild; any remaining plants are threatened by habitat loss. Cultivated plants exist in Hawaii Volcanoes National Park. It inhabits mixed mesic forests on the slopes of Mauna Loa at elevations of 1,200–1,310 m (3,940–4,300 ft). Associated plants include ʻōhiʻa lehua, koa, mānele, hoio, pilo, māmaki, kōpiko, olopua, alani, ʻaʻaliʻi, and naio. H. giffardianus is a small tree, reaching a height of 7 m (23 ft) and trunk diameter of 30 cm (12 in).
Melicope christophersenii is a species of plant in the family Rutaceae known by the common name Waianae Range melicope. It is endemic to the Hawaiian Islands. It is threatened by habitat loss. It was named in honour of Erling Christophersen.
Melicope cinerea is a species of plant in the family Rutaceae known by the common name manena. It is endemic to the Hawaiian Islands. It is threatened by habitat loss.
Melicope hawaiensis, or manena, is a species of flowering plant in the family Rutaceae, that is endemic to the Hawaiian Islands. It is threatened by habitat loss.
Melicope indica is a species of plant in the family Rutaceae. It is endemic to India.
Melicope kaalaensis is a species of plant in the family Rutaceae known by the common name Kaala melicope. I
Melicope makahae, the Makaha Valley melicope, is a species of plant in the family Rutaceae. It is a perennial shrub or tree that grows up to 10 ft (3.0 m) tall.
Melicope mucronulata is a species of plant in the family Rutaceae. It is endemic to the Hawaiian Islands. It is threatened by habitat loss. It is a federally listed endangered species of the United States. Like other Hawaiian Melicope, this species is known as alani.
Melicope obovata, also called Makawao melicope or ovate melicope, was a species of plant in the family Rutaceae. It was endemic to the Hawaiian Islands.
Melicope orbicularis, also called Honokahua melicope or orbicular pelea, is a species of plant in the family Rutaceae. It is endemic to the Hawaiian Islands. It is threatened by habitat loss.
Melicope ovalis, the wild pelea or Hana melicope, is a species of tree in the family Rutaceae. It is endemic to Maui, of the Hawaiian Islands.
Melicope pallida, the pale melicope, is a species of tree in the family Rutaceae. It is endemic to the Hawaiian Islands. It is threatened by habitat loss. It is a federally listed endangered species of the United States. Like other Hawaiian Melicope, this species is known as alani.
Melicope saint-johnii, the St. John's pelea or St. John's melicope, is a species of tree in the family Rutaceae. It is endemic to the Hawaiian Islands, where it is present only on the island of Oahu. Like other Hawaiian Melicope, this species is known as alani. It is threatened by habitat loss. It is a federally listed endangered species of the United States.
Melicope sandwicensis, the Mt. Kaala melicope, is a species of plant in the family Rutaceae.
Melicope wawraeana, the Monoa melicope, is a species of plant in the family Rutaceae. It is endemic to the Hawaiian Islands.
Melicope zahlbruckneri, with the common names Zahlbruckner's melicope, Zahlbruckner's pelea, and kipuka piaula, is a species of tree in the family Rutaceae.
Ochrosia haleakalae, the island yellowwood or hōlei, is a species of plant in the family Apocynaceae that is endemic to Hawaiʻi. It is threatened by habitat loss.
Pittosporum terminalioides, the cream cheesewood, is a species of plant in the Pittosporaceae family. It is endemic to Hawaii. It is threatened by habitat loss.
Pteralyxia laurifolia, the ridged pteralyxia, is a species of plant in the family Apocynaceae. It is endemic to the Island of Oahu in the Hawaiian Islands. The species is listed as vulnerable, threatened by habitat loss.
