Taxon name
Clypeola aspera
(Grauer) Turrill
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Clypeola aspera
(Grauer) Turrill
Assessed taxon level
Species
Higher level taxonomic groupings
Plants
Flowering Plants
Species authority
(Grauer) Turrill
Taxonomic notes and synonyms listed
We follow Marhold (2011) and Chaytor and Turrill (1935) in considering the authority of this species to be '(Grauer) Turrill' with Peltaria aspera Grauer as the original combination. Plants of the World online (Board of Trustees, RBG Kew 2019) considers the authority to be '(Weber) Turrill' with Peltaria aspera Weber the original combination. Whilst IPNI (2019) places the species as Clypeola aspera Turrill.
Location and scope
Specific locality or subnational name or regional name
United Arab Emirates (the)
Scope (of the Assessment)
National
Countries included within the scope of the assessment
United Arab Emirates (the)
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Least Concern
Criteria system used
IUCN
(see Assessment details)
Assessment rationale/justification
Although this species appears to have a restricted range within the UAE, it is under-collected, which could mean it appears rarer than it actually is. As a result, it is assessed as Least Concern.
Assessment details
Assessors/contributors/reviewers listed
UAE National Red List Workshop
Criteria system used
IUCN
Reference for methods given
IUCN. 2012. IUCN Red List Categories and Criteria: Version 3.1, Second edition. IUCN, Gland, Switzerland and Cambridge, UK. iv + 32pp pp. And IUCN. 2012. Guidelines for Application of IUCN Red List Criteria at Regional and National Levels: Version 4.0. Gland, Switzerland and Cambridge, UK: IUCN. iii + 41pp.
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Taxon distribution as listed in assessment
Within the UAE, this species is found in the Ru'us al-Jibal (Jongbloed et al. 2003), where it is recorded at altitudes between c.500 m to 1,800 m (Feulner 2011, M. Tsaliki pers. comm. 2019). Globally, the native range of this species spans from Turkey to the Arabian Peninsula and Afghanistan (Board of Trustees, RBG Kew 2019).
Is there a map available in assessment?
Yes
Habitat and systems
Ecological system type
Habitat
Habitat details as listed in assessment
This species is an annual which can grow up to 10 cm in height and is covered in barbed hairs (Jongbloed et al. 2003). It has narrow oblong leaves and produces white-yellow flowers (Jongbloed et al. 2003). It typically grows within silt substrates in between rocks found at high altitudes (Jongbloed et al. 2003).
Threats and conservation measures listed
Threats listed in assessment
Grazing by browsers, such as goats, may affect this species in areas of its range (G.R. Feulner in lit., MEW 2010). The impacts of climate change needs further research.
Publication
Allen, D.J., Westrip, J.R.S., Puttick, A., Harding, K.A., Hilton-Taylor, C. and Ali, H. 2021. UAE National Red List of Vascular Plants. Technical Report. Ministry of Climate Change and Environment, United Arab Emirates, Dubai.
