Albuca annulata

Taxonomy
Scientific Name
Albuca annulata Mart.-Azorín & M.B.Crespo
Higher Classification
Monocotyledons
Family
HYACINTHACEAE
National Status
Status and Criteria
Vulnerable B1ab(iii)+2ab(iii)
Assessment Date
2014/04/02
Assessor(s)
L. von Staden & A.P. Dold
Justification
A rare and localized species (EOO 1362 km²), estimated to occur at between five and 10 locations and declining due to ongoing habitat loss.
Distribution
Endemism
South African endemic
Provincial distribution
Eastern Cape
Range
Port Elizabeth to Grahamstown.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Kowie Thicket, Sundays Thicket, Albany Broken Veld
Description
Sandy soils at low altitude, 0-300 m.
Threats
All three known subpopulations occur within protected areas, and are not threatened (A.P. Dold pers. comm. 2013). Similar thicket habitat within its known range is already at least 35% irreversibly modified, predominantly for crop cultivation, as well as urban expansion around Port Elizabeth, and loss is likely to continue. Subpopulations outside of protected areas are likely to be threatened and declining due to ongoing habitat loss.
Population

Subpopulations are small, and this species is currently known from only a few records, all of them in protected areas (Martínez-Azorín et al. 2011). It is cryptic and easily overlooked, and likely to be more common than records indicate (A.P. Dold pers. comm. 2014). Until its recent discovery, the species was however never collected before (Martínez-Azorín et al. 2011), even though its known range is botanically well-explored. It is therefore suspected to be fairly rare, occurring at less than 10 locations, but more field surveys are needed to confirm the precise size and extent of the population.


Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Albuca annulata Mart.-Azorín & M.B.CrespoVU B1ab(iii)+2ab(iii)2014.1
Bibliography

Martínez-Azorín, M., Crespo, M.B., Dold, A.P. and Barker, N.P. 2011. Albuca annulata sp. nov. (Hyacinthaceae) from the Albany Centre of Endemism, South Africa. Nordic Journal of Botany 29(6):696-699.


Citation
von Staden, L. & Dold, A.P. 2014. Albuca annulata Mart.-Azorín & M.B.Crespo. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2019/05/26

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Distribution map


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