Overview

Distribution

Range Description

A. menziessi is known from 10 subpopulations on the islands of Hawaii, Molokai, Lanai and Oahu, with a total population size of 450-500 individuals.
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National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Localities documented in Tropicos sources

Abutilon menziesii Seem.:
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Global Range: Range includes Lanai & Maui. Historical range included Hawaii. Collection cited in U82FUN01 from Oahu is very likely cultivated.

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Historic Range:
U.S.A. (HI)

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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
A perennial shrub of dry shrublands, including ones that are now dominated by alien plant species. Gulches, plateau lands, and old lava flows.

Systems
  • Terrestrial
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Comments: Dry shrublands, including ones that are now dominated by alien plant species. Gulches, plateau lands, and old lava flows.

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Population Biology

Number of Occurrences

Note: For many non-migratory species, occurrences are roughly equivalent to populations.

Estimated Number of Occurrences: 6 - 20

Comments: 9 current (between 1982 and 1997) and 3 historical occurrences.

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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
CR
Critically Endangered

Red List Criteria
A2c

Version
3.1

Year Assessed
2003

Assessor/s
Bruegmann, M.M. & Caraway, V.

Reviewer/s
Maunder, M. (Plant Conservation Committee) & Dickinson, T. (Red List Programme Office)

Contributor/s

Justification
A. menziesii occurs in a highly degraded habitat and a decline of 80% is expected for this species over the next 10 years. Development and agricultural threats will continue for this low elevation species if no protection put in place.
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Current Listing Status Summary

Status: Endangered
Date Listed: 09/26/1986
Lead Region:   Pacific Region (Region 1) 
Where Listed:


Population detail:

Listing status: E

For most current information and documents related to the conservation status and management of Abutilon menziesii, see its USFWS Species Profile

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National NatureServe Conservation Status

United States

Rounded National Status Rank: N1 - Critically Imperiled

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NatureServe Conservation Status

Rounded Global Status Rank: G1 - Critically Imperiled

Reasons: Endemic to the islands of Oahu, Maui, Lanai, and Hawaii, this species numbers fewer than 500 plants. Throughout the Hawaiian Islands, the species' low elevation dry habitat has been destroyed or altered by agriculture, urban development, alien plants and animals, and fire.

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Population

Population Trend
Decreasing
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Threats

Major Threats
Threats to A. menziessi include grazing from goats, deer and cattle, competition with alien plant species, invertebrate predation, and possibly fire. A. menziesii is also available in the landscape trade.
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Comments: Habitat destruction and alteration by conversion to agricultural uses and herbivory by feral animals (cattle, axis deer).

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Management

Conservation Actions

Conservation Actions
Federally and state-listed as an endangered species.
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Biological Research Needs: Reproductive biology and population ecology.

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Wikipedia

Abutilon menziesii

Abutilon menziesii, known as Koʻoloaʻula in Hawaiian, is an endangered species of flowering shrub in the mallow family, Malvaceae, that is endemic to Hawaii.

It inhabits dry forests on the islands of Lānaʻi, Maui, Oʻahu and Hawaiʻi. It is classified as critically endangered by the IUCN Red List; only about 450–500 plants remain in fewer than ten naturally occurring populations throughout the islands. The rarity of this plant can be attributed to the alteration of its habitat for agricultural and urban development, overgrazing by livestock and feral animals, and competition from invasive weeds. A conservation plan is being implemented by federal and state agencies to protect remaining habitat, establish new populations, and conserve genetic material in seed banks and botanical gardens.

References[edit]

  1. ^ Bruegmann & Caraway (2003). "Abutilon menziesii". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 11 January 2014.  Database entry includes justification for why this species is critically endangered
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Names and Taxonomy

Taxonomy

Comments: GENUS DISTRIBUTED OVER WARM REGIONS, SPECIES FOUND ON LANAI & MAUI; HISTORICAL RANGE INCLUDED HAWAII. BATES IN WAGNER ET AL. IS MAINTAINING THIS SPECIES.

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