Overview

Distribution

Range Description

This species is endemic to the Tehuacán-Cuicatlán Valley in Mexico (Arias et al. 1997), at elevations of 1,500 - 1,900 m asl.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species occurs in xerophyllous scrub and flowers between October and March (Arias et al. 1987).

Systems
  • Terrestrial
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
EN
Endangered

Red List Criteria
B1ab(v)

Version
3.1

Year Assessed
2013

Assessor/s
Arias, S., Hernández, C., Valverde, T. & Zavala-Hurtado, A.

Reviewer/s
Chanson, J.S. & Goettsch, B.K.

Contributor/s

Justification
This species has a narrow extent of occurrence (EOO is 2,000 km2), is severely fragmented and is not abundant. Several known subpopulations have disappeared as a consequence of land use change, which is still a threat because the subpopulations are very close to agricultural land, even those inside the Tehuacán-Cuicatlán Biosphere Reserve. Hence is listed as Endangered.
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Population

Population
This species is not abundant.

Population Trend
Decreasing
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Threats

Major Threats
Land use change for agriculture is the main threat for this species.
The range of this species is predicted to be reduced by up to 90% under climate change scenarios in which temperature increases by 2°C and precipitation decreases by 15% compared to current climate conditions (approximately between year 2060 and year 2100; Téllez-Valdés and Dávila-Aranda 2003).
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Management

Conservation Actions

Conservation Actions
This species is distributed within the Tehuacán-Cuicatlán Biosphere Reserve (Telléz-Valdés and Dávila-Aranda 2003) and it is locally propagated in a government approved nursery (UMA).
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