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NRLD - 330753 | Rhazya stricta

Assessment ID
330753
Taxon name
Rhazya stricta
Decne.
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Rhazya stricta
Decne.
Assessed taxon level
Species
Higher level taxonomic groupings
Plants
Flowering Plants
Kingdom
Plantae
Phylum
tracheophyta
Class
magnoliopsida
Order
gentianales
Family
apocynaceae
Genus
Rhazya
Species
stricta
Species authority
Decne.
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)
Country ISO code(s)
ARE
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Least Concern
Abbreviated status
LC
Criteria system used
IUCN

(see Assessment details)

Assessment rationale/justification
This species occurs within the east of the UAE and is known from at least one protected area. It is poisonous, which prevents grazing from herbivores, and is said to be common in some areas of the UAE. As a result, it is assessed as Least Concern.
Assessment details
Year assessed
2019
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
This species occurs in the East of the country, especially on alluvial plains of the southern Hajar mountains (Jongbloed et al. 2003). It has been recorded in the Wadi Wurayah National Park (Feulner 2016) and also once in Ru'us al-Jibal mountains (Feulner 2011). Globally, this species occurs in the Middle East, Central Asia and India (Board of Trustees, RBG Kew 2019).
Is there a map available in assessment?
Yes
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Habitat
Habitat details as listed in assessment
This is a perennial shrub that grows up to 80 cm (Reza Khan 1992). It flowers throughout the year but peaks between January and May (Jongbloed et al. 2003). It is a poisonous plant that grows in gravel and sand plains as well as wadis (Drew 2000, Jongbloed et al. 2003, Mahmoud et al. 2018). Its presence is known to be a sign of overgrazing as livestock avoid eating it, and so it becomes dominant in grazed areas (Feulner 2011, 2016). However, the flowers of this plant are known to be utilised by adult Plain Tiger butterflies (Gillett 1998).
Threats and conservation measures listed
Threats listed in assessment
There is no available information.
Publication
UAE National Red List of Vascular Plants
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.