|Scientific Name:||Melicope macropus (Hillebr.) T.G.Hartley & B.C.Stone|
Evodia macropus (Hillebr.) Drake
Pelea acutivalvata H.Lév.
Pelea macropus Hillebr.
|Taxonomic Source(s):||Wagner, W.L., Herbst, D.R. and Lorence, D.H. 2005 onwards. Flora of the Hawaiian Islands website. Available at: http://botany.si.edu/pacificislandbiodiversity/hawaiianflora/index.htm.|
Wood, K. R. 2012. Possible Extinctions, Rediscoveries and New Plant Records within the Hawaiian Islands. Bishop Museum Occasional Papers 113: 91–102.Pelea acutivalvata H. Lév. , Repert. Spec. Nov. Regni Veg. 10: 153. 1911.
Holotype [P]. U. Faurie 172. February 1910. Kaua`i: Waimea? Robinson's summer house.800m. Isotype(s) [A, BISH!, BM [photo BISH!], P].
Note: As "Pelea?" RKS examined specimen at BISH.=Melicope macropus
*Verification: R.K. Shannon.
|Red List Category & Criteria:||Extinct ver 3.1|
|Contributor(s):||Wood, K. & Nyberg, B.|
This species is definitely known from the type collection made in 1805 and a further collection in 1910. More recently it was observed in Kalalau in 1987, Honopu in 1991, and the upper Nuʻololo Stream region in 1995. No living individuals of this species are thought to exist at present hence it is assessed as Extinct. Its extinction was probably due to the impacts on alien invasive plants and animals.
|Previously published Red List assessments:|
|Range Description:||Melicope macropus is endemic to the island of Kauaʻi in the state of Hawai'i. Historically it was known from a region of Waimea. Between 1987 and 1995, it was observed in Kalalau, Honopu, and upper Nuʻololo stream. (Wood 2012).|
Regionally extinct:United States (Hawaiian Is.)
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||This taxon is considered extinct. It was last observed in the upper Nuʻololo stream region in 1995 (Wood 2012).|
|Habitat and Ecology:||This taxon was a sprawling shrub found in diverse montane mesic forest. At the Kalalau Valley location, associated native plant species included Metrosideros spp., Xylosma sp., Nestegis sp., Cryptocarya sp., Cibotium sp., Dubautia sp., and Rubus sp. At Honopū, Metrosideros spp. were dominate. Other taxa included Labordia sp., Dubautia sp., Kadua sp., Nothocestrum peltatum, and Myrsine sp. At Nu‘ololo Stream, Acacia koa and Metrosideros spp. dominated, mixed with Psychotria grandiflora, Xylosma crenatum, Poa siphonoglossa, P. sandvicensis, Myrsine knudsenii, Nothocestrum peltatum, Dubautia latifolia, Bobea brevipes, Lobelia yuccoides, and Alyxia stellata.|
|Major Threat(s):||Major threats to this taxon included predation and habitat destruction by introduced animals such as feral goats and pigs and deer, which are all in relatively high numbers in the areas it once occurred. Displacement by non-native, invasive plant taxa were also a major threat. Such invasive plant species included Rubus rosifolius, R. argutus, Hedychium garderianum, and Kalanchoe pinnata (Wood 2012).|
|Conservation Actions:||This taxon had not been previously identified for conservation efforts and is now presumed extinct.|
|Citation:||Clark, M. 2016. Melicope macropus. The IUCN Red List of Threatened Species 2016: e.T33670A97905186.Downloaded on 20 March 2018.|
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