Kadua degeneri

Kadua degeneri NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports — Kadua degeneri ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.Resurrection of genus Kadua for Hawaiian Hedyotidinae (Rubiaceae), with emphasis on seed and fruit characters and notes on South Pacific species. Systematic Botany 30(4): 818-833. U.S. Army Garrison. 2009. 2009 status report for the Makua and Oahu implementation plans.

Kadua degeneri (formerly Hedyotis 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.

This is a branching shrub with clusters of flowers. The plant is limited to the Waianae Range on Oahu. It grows on cliffs and ridges in forested mountain habitat. The main threat to its existence is the degradation and destruction of its habitat by feral ungulates such as pigs. The animals have been a vector for the introduction of alien plant species, which compete with native flora

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