Edward Yataro Hosaka

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Myrsine mezii, the Hanapepe River colicwood, is a species of tree in the primrose family. It is endemic to the island of Kauai in Hawaii. It is threatened by habitat loss. It is a federally listed endangered species of the United States. There are two remaining populations of this tree for a total of just five individuals. One of the populations is made up of a single tree which is in poor condition.

Myrsine knudsenii, the Kokee colicwood, is a species of tree in the primrose family. It is endemic to the island of Kauai in Hawaii. It is threatened by habitat loss. This is a shrub or tree growing up to 4.5 meters tall with flowers occurring in clusters along the branches. It grows in moist forests dominated by Acacia koa, Metrosideros polymorpha, and Dicranopteris linearis. It probably once occurred in several other types of ecosystem. There are three populations left, for a total of about 30 trees. It was federally listed as an endangered species of the United States in 2010.

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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. This plant is a subshrub with woody-based, hairless branches up to half a meter long. The oppositely arranged leaves have narrow, dark green blades up to 8 centimeters long by 1.1 wide. The inflorescence is a branching

Sanicula purpurea is a rare species of flowering plant in the carrot family known by the common names purple-flower black-snakeroot and purple-flowered sanicle. It is endemic to Hawaii, where it is known from Maui and from the Koolau Mountains on the island of Oahu. It is threatened by the degradation of its habitat. It was federally listed as endangered species of the United States in 1996. This plant has a short, thick stem growing up to about 36 centimeters in maximum height. The leaves have leathery blades measuring up to 8 centimeters long. They are heart-shaped or kidney-shaped and are

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Myrsine petiolata, the swamp colicwood, is a species of plant in the family Primulaceae. It is endemic to the island of Kauai in Hawaii. It is threatened by habitat loss.

Myrsine linearifolia is a rare species of flowering plant in the primrose family known by the common name narrowleaf colicwood. It is endemic to Hawaii, where it is known only from the island of Kauai. There are 12 populations remaining, for a total of fewer than 200 plants. Like other Hawaiian Myrsine this plant is called kōlea. It is a federally listed threatened species of the United States. This is a shrub or tree growing up to 8 meters tall. There are narrow leaves and clusters of flowers along the branches. It grows in moist and wet habitat on mountain ridges. It is found alongside

Myrsine juddii is a rare species of flowering plant in the primrose family known by the common name cloudswept colicwood. It is endemic to Hawaii, where it is known only from the Koolau Mountains of Oahu. There is a single population made up of about 3000 individuals. Like other Hawaiian Myrsine this plant is called kōlea. It is a federally listed endangered species of the United States. This is a shrub with a branching stem reaching 1 to 2 meters tall. Flowers occur in clusters along the branches. It grows in wet forests on mountain ridges in the cloud zone. The plant is threatened by the

Myrsine fosbergii, the Koolau Range colicwood, is a species of plant in the family Primulaceae. It is endemic to the Hawaiian Islands. It is threatened by habitat loss.

Myrsine fernseei, the streambank colicwood, is a species of flowering plant in the family Primulaceae. It is a tree endemic to the Hawaiian Islands. It is threatened by habitat loss. The species was first described as Suttonia fernseei by Carl Christian Mez in 1902. In 1940 Edward Yataro Hosaka placed the species in genus Myrsine as M. fernseei.

Myrsine degeneri, the summit colicwood, is a species of plant in the family Primulaceae. It is endemic to the island of Oahu in Hawaii.

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Cyanea st.-johnii (formerly Rollandia st.-johnii) is a rare species of flowering plant in the bellflower family known by the common name St. John's rollandia. It is endemic to Oahu, where it is known only from the Koʻolau Mountains. It is a federally listed endangered species of the United States. Like other Cyanea it is known as haha in Hawaiian. A 2007 report estimates 70 remaining individuals divided among seven occurrences in the upper elevations of the Koʻolau Mountains. The plant grows on top of ridges, in open, windy habitat within the cloud zone. The occurrences have been separated

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