Taxonomy
Scientific Name
Xerophyta vallispongolana J.E.Burrows, S.M.Burrows & Behnke
Higher Classification
Monocotyledons
Family
VELLOZIACEAE
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2014/05/18
Assessor(s)
L. von Staden & J.E. Burrows
Justification
A localized species (EOO 268 km²), known from three locations and potentially threatened by habitat loss and degradation as well as competition from alien invasive plants.
Distribution
Endemism
South African endemic
Provincial distribution
KwaZulu-Natal, Mpumalanga
Range
Piet Retief.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Swaziland Sour Bushveld, Paulpietersburg Moist Grassland
Description
Rocky outcrops in grassland.
Threats
This species is potentially threatened by habitat loss to mining, expanding timber plantations, and competition from alien invasive plants.
Population

The subpopulation at the type locality consists of several hundred plants scattered over an area of about 2000 m². It is also fairly common in the Pongola River Valley somewhat further to the south (J.E. Burrows pers. comm.). No data is available on the size of a third known subpopulation in the upper Pongola River Valley in KwaZulu-Natal, just south of the border with Mpumalanga Province. At two known locations in southern Mpumalanga, subpopulations are not currently suspected to be declining (J.E. Burrows pers. obs.), but are vulnerable to potential habitat loss and degradation.


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Xerophyta vallispongolana J.E.Burrows, S.M.Burrows & BehnkeVU D22014.1
Bibliography

Behnke, H.D., Hummel, E., Hillmer, S., Sauer-Gürth, H., Gonzalez, J. and Wink, M. 2013. A revision of African Velloziaceae based on leaf anatomy characters and rbcL nucleotide sequences. Botanical Journal of the Linnean Society 172(1):22-94.


Citation
von Staden, L. & Burrows, J.E. 2014. Xerophyta vallispongolana J.E.Burrows, S.M.Burrows & Behnke. National Assessment: Red List of South African Plants version . Accessed on 2024/06/14

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Distribution map

© N.R. Crouch

© N.R. Crouch

© N.R. Crouch


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