Assessment Report - Streptocarpus davyi

	IUCN Species Information Service (SIS) Toolkit
	Assessment Report

Taxonomy
Kingdom	Phylum	Class	Order	Family
PLANTAE	TRACHEOPHYTA	MAGNOLIOPSIDA	LAMIALES	GESNERIACEAE

Scientific Name:	Streptocarpus davyi
Species Authority:	S.Moore
Common Name/s: -
Synonym/s:	-
Taxonomic Notes:	-

Assessment Information
Red List Category & Criteria:	Least Concern N/A
Year Assessed:	2023
Assessor/s:	Braun, K.
Reviewer/s:
Contributor/s:
Facilitator/s:
Institutions/s:
Justification: Streptocarpus davyi has a restricted distribution, with an estimated extent of occurrence of 3,140.515 km² and an area of occupancy of 56 km². There are possible ongoing threats to this plant's habitat from overgrazing by livestock and burning, as well as possible urban expansion. However, based on additional sub-populations being located in 2023 extending its range within Eswatini, and therefore no longer meeting the criteria for Vulnerable status, it has been assessed as Least Concern. Date last seen: 2023
History:	-

Geographic Range
Range Description:	This species is known from the Eswatini highveld, from Mankayane to the Masilela area, with an additional record from the Pilgrims Rest area in South Africa.
Countries:	Native: Eswatini; Mpumalanga;

Population
Population:	No detailed population surveys have yet been carried out for this species. Apart from one record, the population is restricted to the Eswatini highveld. It has not yet been possible to trace the one specimen recorded from South Africa to verify its identificaton, but for the purposes of this assessment, it has been assumed that it was correctly identified. As the habitat still exists in the localities from older records, it has been assumed that they still occur in these areas.
Population Trend:	Unknown

Population

Population:

No detailed population surveys have yet been carried out for this species. Apart from one record, the population is restricted to the Eswatini highveld. It has not yet been possible to trace the one specimen recorded from South Africa to verify its identificaton, but for the purposes of this assessment, it has been assumed that it was correctly identified. As the habitat still exists in the localities from older records, it has been assumed that they still occur in these areas.

Population Trend:

Unknown

Habitat and Ecology
Habitat and Ecology:	This species is found growing in shallow soil on rock, at the base of granite boulders, usually on the south facing side of the boulders, in deep shade. Most of the records are from hilltops, but it has also been observed on hillsides which have exposed granite areas. The vegetation type for the Eswatini records is KaNgwane Montane Grassland (Gm16), and for the one South African record, Long Tom Pass Montane Grassland (Gm31) (Mucina et. al. 2018).
List of Habitats:	4 Grassland 4.7 Grassland - Subtropical/Tropical High Altitude

Habitat and Ecology

Habitat and Ecology:

This species is found growing in shallow soil on rock, at the base of granite boulders, usually on the south facing side of the boulders, in deep shade. Most of the records are from hilltops, but it has also been observed on hillsides which have exposed granite areas. The vegetation type for the Eswatini records is KaNgwane Montane Grassland (Gm16), and for the one South African record, Long Tom Pass Montane Grassland (Gm31) (Mucina et. al. 2018).

List of Habitats:

4 Grassland
4.7 Grassland - Subtropical/Tropical High Altitude

Threats
Major Threat(s):	Although this species is protected to some degree by its occurrence in very rocky areas, it is possible that it could be affected by urban expansion, as well as habitat degradation due to heavy grazing and burning.
List of Threats:	1 Residential & commercial development 1.1 Housing & urban areas 2 Agriculture & aquaculture 2.3 Livestock farming & ranching 2.3.2 Small-holder grazing, ranching or farming

Conservation Actions
Conservation Actions:	None of the localities for this species within Eswatini fall within a formally protected area. The one record from South Africa is from within Mount Sheba Nature Reserve.
List of Conservation Actions:	1 Land/water protection 1.2 Resource & habitat protection 3 Species management 3.4 Ex-situ conservation 3.4.2 Genome resource bank

Bibliography
	Bachman S, Moat J, Hill AW, 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.

Bibliography

Bachman S, Moat J, Hill AW, 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: