IUCN Species Information Service (SIS) Toolkit
Assessment Report

Taxonomy
Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA FABALES FABACEAE
Scientific Name: Tephrosia gobensis
Species Authority: Brummitt
Common Name/s:
-
Synonym/s: -
Taxonomic Notes: -
Assessment Information
Red List Category & Criteria: Vulnerable B1ab(ii,iii)+2ab(ii,iii)
Year Assessed: 2023
Assessor/s: Braun, K. & Loffler, L.
Reviewer/s: Raimondo, D.
Contributor/s:
Facilitator/s:
Institutions/s:
Justification:
This species has a restricted distribution, with an extent of occurrence (EOO) of 137 km2 and an area of occupancy (AOO) of 28 km2. It is known from six locations, while most of the population falls within protected areas, there is still an ongoing habitat degradation from livestock grazing and the spread of invasive alien plant species (Chromolaena odorata and Lantana camara).  Based on this, it has been assessed as Vulnerable, under Criterion B.
History: -
Geographic Range
Range Description: This species is known from north east Eswatini, from low lying areas west of the Lubombo Mountains, on the mountain range, and from Mozambique in the Goba area.  There is an additional record from Mozambique without precise location information, but probably from the same general area.
Countries: Native:
Eswatini; Mozambique;
Population
Population: There is no detailed population survey information for this species, but it is inferred that the population is declining due to heavy grazing by livestock in parts of its range and habitat degradation due to invasive alien plant species.  There are relatively recent records confirming its continued existence within Mlawula Nature Reserve and Mhlumeni community conservation area.  For the purposes of this assessment, it has been assumed that this species still occurs in the locations from older records.
Population Trend: Decreasing
Habitat and Ecology
Habitat and Ecology: This species has been found in rocky areas in lower lying areas and on mountain slopes.  The vegetation types based on current records are Tshokwane-Hlane Basalt Lowveld (SVI5) and Southern Lebombo Bushveld (SVI16) (Mucina et. al. 2018).
List of Habitats: 2 Savanna
2.2 Savanna - Moist
Threats
Major Threat(s): Most of the range of this species is from within protected areas, but the remaining areas are subject to heavy grazing, and there is ongoing habitat degradation due to invasive alien plant species (Chromolaena odorata and Lantana camara). While alien clearing activities within the protected areas are ongoing the pressure from invasive alien plants is very high and even subpopulations within protected areas may be impacted in future.
List of Threats: 2 Agriculture & aquaculture
2.3 Livestock farming & ranching
2.3.2 Small-holder grazing, ranching or farming
8 Invasive and other problematic species, genes & diseases
8.1 Invasive non-native/alien species/diseases
8.1.2 Named species
8.1.2 Named species
Conservation Actions
Conservation Actions: This species has been recorded from within Mbuluzi Game Reserve, Mlawula Nature Reserve and the Mhlumeni community conservation area, the majority of the currently known range for this species falling within these areas.  Ongoing management of invasive species within these protected areas is a priority. No material of this species has yet been collected for ex-situ conservation.  Fieldwork is required to determine whether this species is found on other parts of the Lubombo Mountains and adjacent areas. There is also a need to confirm any population trends.
List of Conservation Actions: 3 Species management
3.4 Ex-situ conservation
3.4.2 Genome resource bank
Bibliography
  Bachman, S., Moat, J., Hill, A.W., de la Torre, J. and Scott, B. 2011. Supporting Red List threat assessments with GeoCAT geospatial conservation tool. In: Smith V, Penev L (Eds) e-Infrastructure for data publishing in biodiversity science. . ZooKeys 150: 117-126.
Mucina, L., Rutherford, M.C. and Powrie, L.W. (Editors). 2018. The Vegetation Map of South Africa, Lesotho and Swaziland. South African National Biodiversity Institute. Available at: http://bgis.sanbi.org/Projects/Detail/186.
Citation: -