Conium hilliburttorum

Taxonomy
Scientific Name
Conium hilliburttorum Magee & V.R.Clark
Higher Classification
Dicotyledons
Family
APIACEAE
National Status
Status and Criteria
Near Threatened D2
Assessment Date
2022/04/28
Assessor(s)
H. Mtshali & V.R. Clark
Justification
This locally uncommon species occurs in a restricted habitat, and has an area of occupancy (AOO) of 36 km². There are between seven and nine locations that are potentially threatened by invasive alien plant species. It is therefore listed as Near Threatened under criterion D.
Distribution
Endemism
South African endemic
Provincial distribution
Eastern Cape
Range
This species is endemic to the Eastern Cape Midlands Escarpment, occurring on the Sneeuberg, Great Winterberg-Amatholes, and Stormberg Mountains.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Karoo Escarpment Grassland
Description
It is found in loamy clay soils, on moist, shaded, cool south-facing slopes and along cliff-bases.
Population

This locally uncommon species occurs in a restricted habitat. The population is estimated to comprise of more than 10 000 mature individuals and it is not suspected to declining. However, this species' habitat is potentially threatened by invasion by non-native plants. Population monitoring is required to better understand this species' risk of extinction.


Population trend
Unknown
Bibliography

Magee, A.R. and Clark, V.R. 2017. Mzansi's mountain hemlocks: The identities of Hilliard and Burtt's Conium species 3 and 4 (Apiaceae) and a revised key for the genus in sub-Saharan Africa. South African Journal of Botany 108:243-247.


Citation
Mtshali, H. & Clark, V.R. 2022. Conium hilliburttorum Magee & V.R.Clark. National Assessment: Red List of South African Plants version . Accessed on 2025/04/13

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Distribution map


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