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Euphorbia cylindrifolia 

Scope: Global
Language: English
Status_ne_offStatus_dd_offStatus_lc_offStatus_nt_offStatus_vu_offStatus_en_onStatus_cr_offStatus_ew_offStatus_ex_off

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Euphorbiales Euphorbiaceae

Scientific Name: Euphorbia cylindrifolia Marn.-Lap. & Rauh
Infra-specific Taxa Assessed:

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Annotations:
Needs updating
Assessor(s): Haevermans, T.
Reviewer(s): Rajeriarison, C., Labat, J.N., Lowry, P. & Randrianjohany, E. (Madagascar Plants RLA)
Justification:
The two subspecies combined have a very small extent of occurrence and area of occupancy. The typical subspecies has the larger range with the an extent of occurrence of 138.572 km² and an area of occupancy of 75.113 km². Together, the subspecies are known from less than five locations and there is continuing decline due to habitat loss and removal by collectors for the horticultural trade.

Geographic Range [top]

Range Description:South-west Madagascar: Fort-Dauphin area. This species is common in some areas.
Countries occurrence:
Native:
Madagascar
Additional data:
Range Map:Click here to open the map viewer and explore range.

Habitat and Ecology [top]

Habitat and Ecology:South-western dry forests and bush.
Systems:Terrestrial

Threats [top]

Major Threat(s): Habitat degradation, fire, habitat clearing for charcoal, collection for horticultural trade.

Conservation Actions [top]

Conservation Actions: Listed under CITES Appendix I.

Classifications [top]

1. Forest -> 1.5. Forest - Subtropical/Tropical Dry
suitability:Suitable  
3. Shrubland -> 3.5. Shrubland - Subtropical/Tropical Dry
suitability:Suitable  
1. Land/water protection -> 1.1. Site/area protection
1. Land/water protection -> 1.2. Resource & habitat protection
2. Land/water management -> 2.1. Site/area management
3. Species management -> 3.4. Ex-situ conservation -> 3.4.1. Captive breeding/artificial propagation
3. Species management -> 3.4. Ex-situ conservation -> 3.4.2. Genome resource bank
4. Education & awareness -> 4.1. Formal education
4. Education & awareness -> 4.3. Awareness & communications

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
  Occur in at least one PA:Yes
In-Place Species Management
In-Place Education
5. Biological resource use -> 5.2. Gathering terrestrial plants -> 5.2.1. Intentional use (species is the target)
♦ timing:Ongoing    
→ Stresses
  • 2. Species Stresses -> 2.1. Species mortality

7. Natural system modifications -> 7.1. Fire & fire suppression -> 7.1.3. Trend Unknown/Unrecorded
♦ timing:Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

1. Research -> 1.1. Taxonomy
1. Research -> 1.2. Population size, distribution & trends
1. Research -> 1.3. Life history & ecology
1. Research -> 1.5. Threats
1. Research -> 1.6. Actions
3. Monitoring -> 3.1. Population trends

Bibliography [top]

IUCN. 2004. 2004 IUCN Red List of Threatened Species. Available at: www.iucnredlist.org. (Accessed: 23 November 2004).

Rauh, W. 1995. Succulent and Xerophytic plants of Madagascar. Vol I. Strawberry Press, Mill Valley.

Rauh, W. 1998. Succulent and Xerophytic plants of Madagascar. Vol II. Strawberry Press, Mill Valley.

Rauh, W. and Marnier-Lapostolle, J. 1961. Une nouvelle espece d’euphorbe succulente de Madagascar. Cactus 72: 147-151.


Citation: Haevermans, T. 2004. Euphorbia cylindrifolia. The IUCN Red List of Threatened Species 2004: e.T44323A10891416. . Downloaded on 19 November 2017.
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