Alphitonia ponderosa 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Rhamnales Rhamnaceae

Scientific Name: Alphitonia ponderosa Hillebr.

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(i,ii,iii,iv,v) ver 3.1
Year Published: 2003
Date Assessed: 2003-04-30
Needs updating
Assessor(s): Bruegmann, M.M. & Caraway, V.
Reviewer(s): Maunder, M. (Plant Conservation Committee) & Dickinson, T. (Red List Programme Office)
A. ponderosa has an estimated extent of occurrence of less than 20,000 km². This species is severely fragmented with continued decline in extent of occurrence, area of occupancy, quality of habitat, number of locations and number of mature individuals.

Geographic Range [top]

Range Description:Recorded on the islands of Hawaii, Maui, Molokai, Lanai, Oahu, and Kauai. Rare everywhere except Kauai, but number of subpopulations and mature individuals unknown. The extent of occurrence is known to be less than 20'000 km².
Countries occurrence:
United States (Hawaiian Is.)
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Current Population Trend:Decreasing
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:A native Hawaiian tree found in dry to mesic forests on all the main islands, except Niihau and Kahoolawe.

Threats [top]

Major Threat(s): Threats include pigs, deer, competition with alien plant species, seed predation by rats, and potentially fire.

Citation: Bruegmann, M.M. & Caraway, V. 2003. Alphitonia ponderosa. The IUCN Red List of Threatened Species 2003: e.T44076A10848537. . Downloaded on 21 June 2018.
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