Benjamin Clemens Stone

Citrus halimii, or mountain citron, is a citrus with sour fruit. Historically placed within the polyphyletic grouping of papedas, it has since been determined to be a wild species most closely related to the kumquats, and is not related to the true citron. It was first discovered and catalogued in 1973.

Melicope knudsenii, commonly known as Olokele Valley melicope or Knudsen's melicope, is a species of flowering plant in the family Rutaceae, that is endemic to Hawaii. It is threatened by habitat loss. Like other Hawaiian Melicope, this species is known as alani. This is a federally listed endangered species of the United States.

Pandanus halleorum is a species of plant in the family Pandanaceae. It is endemic to Vanuatu.

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.

Pandanus clandestinus is a species of plant in the family Pandanaceae. It is endemic to New Caledonia.

Melicope zahlbruckneri, with the common names Zahlbruckner's melicope, Zahlbruckner's pelea, and kipuka piaula, is a species of tree in the family Rutaceae. It is endemic to the big island of Hawaii in the Hawaiian Islands, currently with one extant population within Hawaii Volcanoes National Park. Like other Hawaiian Melicope, this species is known as alani. Its habitat is lava flows and soils rich in volcanic ash. There is a single population of 25 mature trees in Hawaii Volcanoes National Park, and a few trees at a location nearby. A few immature trees have been planted in appropriate

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. This tree grows up to ten meters in height. The leaves have thin oval blades folded along the midline and measuring up to 21 centimeters long by 8 wide. The flowers have yellow-green petals and are borne in cymes in the leaf axils. Today this plant is limited to the island of Kauai, having been extirpated from

Melicope adscendens is a rare species of flowering plant in the citrus family known by the common name auwahi melicope. It is endemic to Hawaii, where it is known only from the island of Maui. It is a federally listed endangered species of the United States. Like other Hawaiian Melicope, this species is known as alani.

Alangium circulare is a tree in the dogwood family Cornaceae. The specific epithet circulare is from the Latin meaning "circular", referring to shape of the leaves.

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Pandanus decastigma is a species of plant in the family Pandanaceae. It is endemic to New Caledonia.

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. This tree grows up to 6 meters tall. It grows in moist forest habitat in the Waianae Range of Oahu, where there are probably fewer than 150 individuals remaining. It is threatened by the degradation of its habitat by non-native plant

Melicope quadrangularis, also called four angle melicope or four-angled pelea, is a species of plant in the family Rutaceae. It is endemic to the Hawaiian Islands, where it is known only from the island of Kauai. It is threatened by habitat loss. The type specimen of this species was collected in 1909. The plant was not seen again, and was presumed extinct, until 1991 when it was rediscovered. At that time there were 13 plants counted. This population had disappeared by 1998 and was likely destroyed in Hurricane Iniki. By 2010 no additional plants had been discovered, there are none growing

Melicope paniculata, the Lihue melicope, is a rare species of tree in the family Rutaceae. It is endemic to the Hawaiian Islands. Like other Hawaiian Melicope, this species is known as alani.

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 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 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. This plant has been known from the islands of Maui and Molokai. The Maui population was last seen in 1983, and it is probably extinct. On Molokai there are only three plants left. The last individuals of the species are threatened by the coffee twig borer (Xylosandrus compactus) and habitat degradation by feral ungulates such as

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. It is endemic to the Waianae Range on Oahu island, in Hawaii. It is found in mesic forests. It is threatened by habitat loss from invasive plants as well as feral goats and pigs.

Melicope haupuensis is a species of tree in the family Rutaceae known by the common names Haupa Mountain melicope and Pacific pelea. It is endemic to the Hawaiian Islands, where it is known only from the island of Kauai. 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. This is a tree growing to 8 meters in height with inflorescences of 5 to 7 flowers. The species was discovered on Haupu Ridge on Kauai in 1927 and described to science in 1944. By 1994 there were only two plants

Melicope haleakalae, or the Haleakala melicope, is a species of plant in the family Rutaceae. It is endemic to the Hawaiian Islands. It grows in wet forests. As with other Hawaiian Melicope species, this species is known as alani.

Melicope fatuhivensis is a species of flowering plant in the family Rutaceae. It is endemic to the island of Fatu Hiva in the Marquesas Islands of French Polynesia.

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 balloui, also called Ballou's melicope or rock pelea, is a species of plant in the family Rutaceae. It is endemic to the Hawaiian Islands. It is threatened by habitat loss. Like other Hawaiian Melicope, this species is known as alani.

Joinvillea plicata is a flowering plant species, one of four in the genus Joinvillea. It is found in New Caledonia and is considered a common plant by the natives.

Systellantha is a genus of flowering plants belonging to the family Primulaceae. Its native range is Borneo. Species: Systellantha brookeae B.C.Stone Systellantha fruticosa (B.C.Stone) B.C.Stone Systellantha serratifolia Drinkell & Utteridge

Pandanus verecundus is a species of plant in the family Pandanaceae. It is endemic to New Caledonia.

Pandanus tonkinensis is a plant species endemic to Vietnam. Pandanus tonkinensis is one of the smaller members of the genus. It has leaves up to 90 cm long. Inflorescence is terminal.

Monanthocitrus oblanceolata is a species of flowering plant in the citrus family, Rutaceae. It is endemic to Sabah in Malaysia. It was first described in 1988. Monanthocitrus oblanceolata is a shrub or small understory tree that grows up to 5 meters tall. It grows in lowland rain forests up to 600 meters elevation, typically on slopes or ridges of low hills, and sometimes along streams or in flat areas. It is an uncommon tree, generally growing as solitary trees or in small populations.

Melicope wawraeana, the Monoa melicope, is a species of plant in the family Rutaceae. It is endemic to the Hawaiian Islands.

Melicope waialealae is a species of flowering plant in the family Rutaceae. It is commonly known as Alani wai. It is endemic to the island of Kauai in Hawaii. M. waialealae is a perennial shrub or tree that grows up to 10 ft (3.0 m) tall. It is found in small, bog hammocks.