Lactuca tetrantha 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Asterales Asteraceae

Scientific Name: Lactuca tetrantha B. L. Burtt & P. H. Davis
Scariola tetrantha (B. L. Burtt & P. H. Davis) Soják
Taxonomic Notes: Lactuca tetrantha B.L. Burtt & P.H. Davis is a tertiary wild relative of lettuce, L. sativa L.

Assessment Information [top]

Red List Category & Criteria: Vulnerable D2 ver 3.1
Year Published: 2011
Date Assessed: 2010-04-13
Assessor(s): Kyratzis, A., Christodoulou, C.S., Kailis, C., Papasavvas, C. & Tsintides, T.
Reviewer(s): Cuttelod, A. & Nieto, A.
Contributor(s): Kyratzis, A., Kell, S.P. & Hargreaves , S.
Lactuca tetrantha is restricted to a few localities in the Troodos mountains of Cyprus. Although it occurs within Troodos National Forest Park, which is a Natura 2000 site, it is threatened by tourist activities and road and trail maintenance. It is estimated to comprise only 1,000–1,500 mature individuals and to have an area of occupancy (AOO) of no more than 20 km2. It is therefore assessed as Vulnerable.

Geographic Range [top]

Range Description:L. tetrantha is endemic to Cyprus where it is restricted to Troodos National Forest Park (Tsintides et al. 2007). The area of occupancy (AOO) is no more than 20 km2.
Countries occurrence:
Additional data:
Estimated area of occupancy (AOO) - km2:0-20
Lower elevation limit (metres):1520
Upper elevation limit (metres):1920
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species occurs as scattered plants around the highest point of Troodos mountain (Chionistra). The overall population is estimated to comprise 1,000–1,500 plants.
Current Population Trend:Decreasing
Additional data:
Number of mature individuals:1000-1500
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:It is found on dry, igneous slopes, at an altitudinal range of 1,520–1,920 m, and in rocky places in large openings in Pinus nigra ssp. pallasiana and Juniperus foetidissima woodland (Tsintides et al. 2007).
Continuing decline in area, extent and/or quality of habitat:No

Use and Trade [top]

Use and Trade: It is a tertiary wild relative of and potential gene donor to lettuce, L. sativa.

Threats [top]

Major Threat(s): This species is threatened by trail maintenance, trampling and over-collection (Tsintides et al. 2007). A subpopulation at Chionistra was partly destroyed some years ago by telecommunication and military works.

Conservation Actions [top]

Conservation Actions: It is found in Troodos National Forest which is a NATURA 2000 site (Tsintides et al. 2007).

No germplasm accessions of L. tetrantha are reported by EURISCO to be held in European genebanks (EURISCO Catalogue 2010). However, some material is known to be conserved ex situ.

Citation: Kyratzis, A., Christodoulou, C.S., Kailis, C., Papasavvas, C. & Tsintides, T. 2011. Lactuca tetrantha. The IUCN Red List of Threatened Species 2011: e.T172257A6858989. . Downloaded on 22 June 2018.
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